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CVE-2016-5300

Published: 6 June 2016

The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.

Notes

AuthorNote
ebarretto
tla uses system expat as of 1.3.5+dfsg-15
rodrigo-zaiden
it is also an incomplete fix for CVE-2012-6702,
that followed CVE-2012-0876.
libxmltok is not affected by any of these CVEs as
it doesn't have the hash functions.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
artful Not vulnerable
(code-not-compiled)
bionic Not vulnerable
(code-not-compiled)
cosmic Not vulnerable
(code-not-compiled)
disco Not vulnerable
(code-not-compiled)
eoan Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
groovy Not vulnerable
(code-not-compiled)
hirsute Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
precise Not vulnerable
(code-not-compiled)
trusty Not vulnerable
(code-not-compiled)
upstream Needs triage

wily Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
yakkety Not vulnerable
(code-not-compiled)
zesty Not vulnerable
(code-not-compiled)
apr-util
Launchpad, Ubuntu, Debian
artful Not vulnerable
(code-not-compiled)
bionic Not vulnerable
(code-not-compiled)
cosmic Not vulnerable
(code-not-compiled)
disco Not vulnerable
(code-not-compiled)
eoan Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
groovy Not vulnerable
(code-not-compiled)
hirsute Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
precise Not vulnerable
(code-not-compiled)
trusty Not vulnerable
(code-not-compiled)
upstream Needs triage

wily Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
yakkety Not vulnerable
(code-not-compiled)
zesty Not vulnerable
(code-not-compiled)
audacity
Launchpad, Ubuntu, Debian
artful Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
cosmic Not vulnerable
(uses system expat)
disco Not vulnerable
(uses system expat)
eoan Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
groovy Not vulnerable
(uses system expat)
hirsute Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Needs triage

precise Does not exist
(precise was not-affected [uses system expat])
trusty Does not exist
(trusty was not-affected [uses system expat])
upstream Needs triage

wily Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
yakkety Not vulnerable
(uses system expat)
zesty Not vulnerable
(uses system expat)
ayttm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Does not exist

cableswig
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Does not exist

zesty Does not exist

cadaver
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
cmake
Launchpad, Ubuntu, Debian
artful Not vulnerable
(code-not-compiled)
bionic Not vulnerable
(code-not-compiled)
cosmic Not vulnerable
(code-not-compiled)
disco Not vulnerable
(code-not-compiled)
eoan Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
groovy Not vulnerable
(code-not-compiled)
hirsute Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
precise Does not exist
(precise was ignored [code-not-compiled])
trusty Does not exist
(trusty was ignored [code-not-compiled])
upstream Needs triage

wily Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
yakkety Not vulnerable
(code-not-compiled)
zesty Not vulnerable
(code-not-compiled)
coin3
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
precise Does not exist
(precise was needs-triage)
trusty Not vulnerable
(code not present)
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
expat
Launchpad, Ubuntu, Debian
artful Not vulnerable
(2.2.0-1)
bionic Not vulnerable
(2.2.0-1)
cosmic Not vulnerable
(2.2.0-1)
disco Not vulnerable
(2.2.0-1)
eoan Not vulnerable
(2.2.0-1)
focal Not vulnerable
(2.2.0-1)
groovy Not vulnerable
(2.2.0-1)
hirsute Not vulnerable
(2.2.0-1)
impish Not vulnerable
(2.2.0-1)
jammy Not vulnerable
(2.2.0-1)
kinetic Not vulnerable
(2.2.0-1)
precise
Released (2.0.1-7.2ubuntu1.4)
trusty
Released (2.1.0-4ubuntu1.3)
upstream Needs triage

wily
Released (2.1.0-7ubuntu0.15.10.2)
xenial
Released (2.1.0-7ubuntu0.16.04.2)
yakkety Not vulnerable
(2.2.0-1)
zesty Not vulnerable
(2.2.0-1)
Patches:
upstream: https://sourceforge.net/p/expat/code_git/ci/a5f2d0406056d384cdd4b9955384703137a4d19a/
upstream: https://sourceforge.net/p/expat/code_git/ci/ca523deca47303436fe522d030dbd9af3635be60/
gdcm
Launchpad, Ubuntu, Debian
artful Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
cosmic Not vulnerable
(uses system expat)
disco Not vulnerable
(uses system expat)
eoan Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
groovy Not vulnerable
(uses system expat)
hirsute Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
precise Does not exist
(precise was not-affected [uses system expat])
trusty Not vulnerable
(uses system expat)
upstream Needs triage

wily Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
yakkety Not vulnerable
(uses system expat)
zesty Not vulnerable
(uses system expat)
ghostscript
Launchpad, Ubuntu, Debian
artful Not vulnerable
(code-not-compiled)
bionic Not vulnerable
(code-not-compiled)
cosmic Not vulnerable
(code-not-compiled)
disco Not vulnerable
(code-not-compiled)
eoan Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
groovy Not vulnerable
(code-not-compiled)
hirsute Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
precise Does not exist
(precise was ignored [code-not-compiled])
trusty Does not exist
(trusty was ignored [code-not-compiled])
upstream Needs triage

wily Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
yakkety Not vulnerable
(code-not-compiled)
zesty Not vulnerable
(code-not-compiled)
insighttoolkit
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Does not exist

zesty Does not exist

kompozer
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist

upstream Needs triage

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

libparagui1.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist

upstream Needs triage

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

libxmltok
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Ignored
(reached end-of-life)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
trusty Ignored
(out of standard support)
upstream Needs triage

xenial Not vulnerable
(code not present)
matanza
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
poco
Launchpad, Ubuntu, Debian
artful Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
cosmic Not vulnerable
(uses system expat)
disco Not vulnerable
(uses system expat)
eoan Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
groovy Not vulnerable
(uses system expat)
hirsute Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
precise Does not exist
(precise was not-affected [uses system expat])
trusty Not vulnerable
(uses system expat)
upstream Needs triage

wily Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
yakkety Not vulnerable
(uses system expat)
zesty Not vulnerable
(uses system expat)
simgear
Launchpad, Ubuntu, Debian
artful Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
cosmic Not vulnerable
(uses system expat)
disco Not vulnerable
(uses system expat)
eoan Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
groovy Not vulnerable
(uses system expat)
hirsute Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [uses system expat])
upstream Needs triage

wily Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
yakkety Not vulnerable
(uses system expat)
zesty Not vulnerable
(uses system expat)
sitecopy
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
smart
Launchpad, Ubuntu, Debian
artful Not vulnerable
(code-not-compiled)
bionic Not vulnerable
(code-not-compiled)
cosmic Not vulnerable
(code-not-compiled)
disco Not vulnerable
(code-not-compiled)
eoan Not vulnerable
(code-not-compiled)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was ignored [code-not-compiled])
trusty Does not exist
(trusty was ignored [code-not-compiled])
upstream Needs triage

wily Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
yakkety Not vulnerable
(code-not-compiled)
zesty Not vulnerable
(code-not-compiled)
swish-e
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
tdom
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable

cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
texlive-bin
Launchpad, Ubuntu, Debian
artful Not vulnerable
(code-not-compiled)
bionic Not vulnerable
(code-not-compiled)
cosmic Not vulnerable
(code-not-compiled)
disco Not vulnerable
(code-not-compiled)
eoan Not vulnerable
(code-not-compiled)
focal Not vulnerable
(code-not-compiled)
groovy Not vulnerable
(code-not-compiled)
hirsute Not vulnerable
(code-not-compiled)
impish Not vulnerable
(code-not-compiled)
jammy Not vulnerable
(code-not-compiled)
kinetic Not vulnerable
(code-not-compiled)
precise Does not exist
(precise was ignored [code-not-compiled])
trusty Does not exist
(trusty was ignored [code-not-compiled])
upstream Needs triage

wily Not vulnerable
(code-not-compiled)
xenial Not vulnerable
(code-not-compiled)
yakkety Not vulnerable
(code-not-compiled)
zesty Not vulnerable
(code-not-compiled)
tla
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(1.3.5+dfsg-15)
cosmic Not vulnerable
(1.3.5+dfsg-15)
disco Not vulnerable
(1.3.5+dfsg-15)
eoan Not vulnerable
(1.3.5+dfsg-15)
focal Not vulnerable
(1.3.5+dfsg-15)
groovy Not vulnerable
(1.3.5+dfsg-15)
hirsute Not vulnerable
(1.3.5+dfsg-15)
impish Not vulnerable
(1.3.5+dfsg-15)
jammy Not vulnerable
(1.3.5+dfsg-15)
kinetic Not vulnerable
(1.3.5+dfsg-15)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [1.3.5+dfsg-15])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(1.3.5+dfsg-15)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
vnc4
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Ignored

cosmic Ignored

disco Ignored

eoan Ignored

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Ignored

upstream Ignored

wily Ignored
(reached end-of-life)
xenial Ignored

yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
vtk
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Not vulnerable
(uses system expat)
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(uses system expat)
yakkety Does not exist

zesty Does not exist

wbxml2
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Not vulnerable
(code not present)
yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
wxwidgets2.6
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist

upstream Needs triage

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

wxwidgets2.8
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [uses system expat])
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

xmlrpc-c
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Needed

cosmic Ignored
(reached end-of-life)
disco Ignored
(reached end-of-life)
eoan Ignored
(reached end-of-life)
focal Needed

groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needed

kinetic Needed

precise Does not exist
(precise was released [1.16.33-3.1ubuntu5.2])
trusty Needed

upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Needed

yakkety Ignored
(reached end-of-life)
zesty Ignored
(reached end-of-life)
xotcl
Launchpad, Ubuntu, Debian
artful Not vulnerable
(uses system expat)
bionic Not vulnerable
(uses system expat)
cosmic Not vulnerable
(uses system expat)
disco Not vulnerable
(uses system expat)
eoan Not vulnerable
(uses system expat)
focal Not vulnerable
(uses system expat)
groovy Not vulnerable
(uses system expat)
hirsute Not vulnerable
(uses system expat)
impish Not vulnerable
(uses system expat)
jammy Not vulnerable
(uses system expat)
kinetic Not vulnerable
(uses system expat)
precise Does not exist
(precise was needs-triage)
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

wily Not vulnerable
(uses system expat)
xenial Not vulnerable
(uses system expat)
yakkety Not vulnerable
(uses system expat)
zesty Not vulnerable
(uses system expat)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H