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CVE-2009-3560

Published: 04 December 2009

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.

Priority

Medium

Status

Package Release Status
expat
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 21.10 (Impish Indri)
Released (2.0.1-7ubuntu1)
Ubuntu 21.04 (Hirsute Hippo)
Released (2.0.1-7ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.0.1-7ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.0.1-7ubuntu1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (2.0.1-7ubuntu1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (2.0.1-7ubuntu1)
Patches:
Vendor: http://www.debian.org/security/2009/dsa-1953
apache2
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(code-not-compiled)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(code-not-compiled)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code-not-compiled)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code-not-compiled)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code-not-compiled)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code-not-compiled)
apr-util
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(code-not-compiled)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(code-not-compiled)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code-not-compiled)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code-not-compiled)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code-not-compiled)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(code-not-compiled)
cmake
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(code-not-compiled)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(code-not-compiled)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code-not-compiled)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code-not-compiled)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code-not-compiled)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was ignored [code-not-compiled])
ghostscript
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(code-not-compiled)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(code-not-compiled)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code-not-compiled)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code-not-compiled)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code-not-compiled)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was ignored [code-not-compiled])
python2.6
Launchpad, Ubuntu, Debian
Upstream
Released (2.6.4-4)
Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

python2.5
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

celementtree
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

python2.4
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

python-xml
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

smart
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code-not-compiled)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code-not-compiled)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was ignored [code-not-compiled])
texlive-bin
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(code-not-compiled)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(code-not-compiled)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(code-not-compiled)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(code-not-compiled)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(code-not-compiled)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was ignored [code-not-compiled])
xmlrpc-c
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri)
Released (1.06.27-1ubuntu7)
Ubuntu 21.04 (Hirsute Hippo)
Released (1.06.27-1ubuntu7)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1.06.27-1ubuntu7)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1.06.27-1ubuntu7)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1.06.27-1ubuntu7)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (1.06.27-1ubuntu7)
wxwidgets2.8
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [uses system expat])
paraview
Launchpad, Ubuntu, Debian
Upstream
Released (3.6.2-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(3.8.1-1ubuntu1)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(3.8.1-1ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(3.8.1-1ubuntu1)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(3.8.1-1ubuntu1)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(3.8.1-1ubuntu1)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [3.8.1-1ubuntu1])
wxwidgets2.6
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

vnc4
Launchpad, Ubuntu, Debian
Upstream Not vulnerable

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable

Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable

xotcl
Launchpad, Ubuntu, Debian
Upstream
Released (1.6.6-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
w3c-libwww
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

tla
Launchpad, Ubuntu, Debian
Upstream
Released (1.3.5+dfsg-15)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
poco
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(uses system expat)
xulrunner
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

sitecopy
Launchpad, Ubuntu, Debian
Upstream
Released (1:0.16.0-1)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
libparagui1.1
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

wbxml2
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
swish-e
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Needs triage

Ubuntu 21.04 (Hirsute Hippo) Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needs-triage)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
kompozer
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

insighttoolkit
Launchpad, Ubuntu, Debian
Upstream
Released (3.16.0-1)
Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
cadaver
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
wxwindows2.4
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

gdcm
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Not vulnerable
(uses system expat)
ayttm
Launchpad, Ubuntu, Debian
Upstream
Released (0.6.1-2)
Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(0.6.1-2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [0.6.1-2])
cableswig
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needs-triage)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
grmonitor
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

coin3
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(4.0.0+ds-1build1)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(4.0.0+ds-1build1)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(4.0.0+ds-1build1)
Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Needed

simgear
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [uses system expat])
audacity
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [uses system expat])
matanza
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Needs triage

Ubuntu 21.04 (Hirsute Hippo) Needs triage

Ubuntu 20.04 LTS (Focal Fossa) Needs triage

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needs-triage)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
tdom
Launchpad, Ubuntu, Debian
Upstream Not vulnerable
(uses system expat)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(uses system expat)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(uses system expat)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(uses system expat)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(uses system expat)
Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
vtk
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Not vulnerable
(uses system expat)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was not-affected [uses system expat])

Notes

AuthorNote
mdeslaur
watch out for possible regression (see DSA-1953-2)
jdstrand
regression for SUSE: https://bugzilla.novell.com/show_bug.cgi?id=566434
regression fix commit: http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmlparse.c?view=log#rev1.165
2.0.1-4+lenny3 has the fix
jdstrand provided updates in supported releases for expat, xmlrpc-c,
cmake, python-xml, python2.4, and python2.5
ebarretto
this is not an issue for vnc4, for more information see:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560949
sbeattie
as of xotcl 1.6.6-1, xotcl uses system expat
as of tla 1.3.5+dfsg-15, tla uses system expat
as of sitecopy 1:0.16.0-1, sitecopy uses system expat
by wbxml2 0.10.7-1, wbxml2 uses system expat
as of insighttoolkit 3.16.0-1, insighttoolkit uses system expat
according to dbug 560926, cadaver only uses embedded expat
when embedded neon is used, and embedded neon is not used in Ubuntu
as of coin3 4.0.0~CMake~6f54f1602475+ds1-1~exp2, coin3 uses
system expat.

References