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CVE-2015-2327

Published: 1 December 2015

PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Notes

AuthorNote
sbeattie
mongodb package uses system pcre since 2.0.0
tyhicks
Issue affects PCRE3 only
Marking 'low' since it requires PCRE to operate on untrusted regular
expressions which is not very likely
mdeslaur
CVE-2015-2325_CVE-2015-2326_CVE-2015-3210_CVE-2015-5073.patch
in jessie

Priority

Low

Status

Package Release Status
pcre2
Launchpad, Ubuntu, Debian
trusty Does not exist

upstream Not vulnerable

vivid Does not exist

wily Does not exist

xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

precise Does not exist

mongodb
Launchpad, Ubuntu, Debian
precise Not vulnerable
(uses system pcre)
trusty Not vulnerable
(uses system pcre)
upstream Not vulnerable
(uses system pcre)
vivid Not vulnerable
(uses system pcre)
wily Not vulnerable
(uses system pcre)
xenial Not vulnerable
(uses system pcre)
yakkety Not vulnerable
(uses system pcre)
zesty Not vulnerable
(uses system pcre)
pcre3
Launchpad, Ubuntu, Debian
precise
Released (8.12-4ubuntu0.2)
trusty
Released (1:8.31-2ubuntu2.1)
upstream
Released (2:8.35-8)
vivid Ignored
(end of life)
wily
Released (2:8.35-7.1ubuntu1.3)
xenial Not vulnerable
(2:8.38-3)
yakkety Not vulnerable
(2:8.38-3)
zesty Not vulnerable
(2:8.38-3)
Patches:
upstream: http://vcs.pcre.org/pcre?view=revision&revision=1495