CVE-2009-3720

NameCVE-2009-3720
DescriptionThe updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1921-1, DSA-1977-1
Debian Bugs551936, 551938, 560912, 560913, 560914, 560915, 560916, 560917, 560919, 560920, 560921, 560922, 560924, 560925, 560926, 560927, 560928, 560929, 560930, 560931, 560932, 560933, 560935, 560936, 560937, 560940, 560942, 560944, 560945, 560946, 560950, 560951, 560953, 601053

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
audacity (PTS)jessie2.0.6-2fixed
stretch2.1.2-2fixed
buster2.2.2-1fixed
bullseye2.4.2~dfsg0-5fixed
bookworm3.2.4+dfsg-1fixed
sid, trixie3.6.4+dfsg-1fixed
ayttm (PTS)jessie0.6.3-3fixed
cableswig (PTS)jessie0.1.0+cvs20111009-1.1vulnerable
cadaver (PTS)jessie, stretch0.23.3-2vulnerable
buster, bullseye0.23.3-2.1vulnerable
bookworm0.24+dfsg-1vulnerable
sid, trixie0.24+dfsg-4vulnerable
cmake (PTS)jessie3.0.2-1+deb8u1fixed
stretch3.7.2-1fixed
buster3.13.4-1fixed
bullseye3.18.4-2+deb11u1fixed
bookworm3.25.1-1fixed
sid, trixie3.30.5-1fixed
coin3 (PTS)jessie3.1.4~abc9f50-7vulnerable
stretch3.1.4~abc9f50+dfsg1-2vulnerable
buster4.0.0~CMake~6f54f1602475+ds1-2vulnerable
bullseye4.0.0+ds-1vulnerable
bookworm4.0.0+ds-3vulnerable
sid, trixie4.0.2+ds-2vulnerable
expat (PTS)jessie, jessie (lts)2.1.0-6+deb8u12fixed
stretch (security)2.2.0-2+deb9u5fixed
stretch (lts), stretch2.2.0-2+deb9u9fixed
buster, buster (lts)2.2.6-2+deb10u8fixed
buster (security)2.2.6-2+deb10u7fixed
bullseye2.2.10-2+deb11u5fixed
bullseye (security)2.2.10-2+deb11u6fixed
bookworm2.5.0-1fixed
bookworm (security)2.5.0-1+deb12u1fixed
sid, trixie2.6.3-2fixed
gdcm (PTS)jessie2.4.4-3+deb8u1fixed
stretch2.6.6-3fixed
buster2.8.8-9fixed
bullseye3.0.8-2fixed
bookworm3.0.21-1fixed
sid, trixie3.0.24-5fixed
ghostscript (PTS)jessie, jessie (lts)9.26a~dfsg-0+deb8u12fixed
stretch (security)9.26a~dfsg-0+deb9u9fixed
stretch (lts), stretch9.26a~dfsg-0+deb9u12fixed
buster (security), buster, buster (lts)9.27~dfsg-2+deb10u9fixed
bullseye9.53.3~dfsg-7+deb11u7fixed
bullseye (security)9.53.3~dfsg-7+deb11u8fixed
bookworm10.0.0~dfsg-11+deb12u4fixed
bookworm (security)10.0.0~dfsg-11+deb12u5fixed
sid, trixie10.04.0~dfsg-1fixed
insighttoolkit (PTS)jessie3.20.1+git20120521-5fixed
matanza (PTS)jessie, stretch0.13+ds1-5vulnerable
buster0.13+ds1-6vulnerable
sid, bullseye, bookworm0.13+ds2-1vulnerable
mcabber (PTS)jessie, jessie (lts)0.10.2-1+deb8u1fixed
stretch1.0.4-1.1fixed
buster1.1.0-1.1fixed
bullseye1.1.2-1fixed
sid, trixie, bookworm1.1.2-2fixed
paraview (PTS)jessie4.1.0+dfsg+1-1fixed
stretch5.1.2+dfsg1-2fixed
buster5.4.1+dfsg4-3.1fixed
bullseye5.9.0-2fixed
bookworm5.11.0+dfsg-1fixed
sid5.13.1+dfsg-8fixed
poco (PTS)jessie, jessie (lts)1.3.6p1-5+deb8u1fixed
stretch (security), stretch (lts), stretch1.7.6+dfsg1-5+deb9u1fixed
buster1.9.0-5fixed
bullseye1.10.0-6+deb11u1fixed
bookworm1.11.0-3fixed
sid, trixie1.13.0-6fixed
simgear (PTS)jessie3.0.0-6fixed
stretch1:2016.4.4+dfsg-2fixed
buster1:2018.3.2+dfsg-5fixed
bullseye1:2020.3.6+dfsg-1fixed
bookworm1:2020.3.16+dfsg-1fixed
sid, trixie1:2020.3.18+dfsg-2.1fixed
smart (PTS)jessie, buster, stretch1.4-2fixed
tdom (PTS)jessie, stretch0.8.3-1fixed
buster0.9.1-1fixed
bullseye0.9.2-1fixed
bookworm0.9.3-1fixed
sid, trixie0.9.5-1fixed
texlive-bin (PTS)jessie, jessie (lts)2014.20140926.35254-6+deb8u1fixed
stretch (security)2016.20160513.41080.dfsg-2+deb9u1fixed
stretch (lts), stretch2016.20160513.41080.dfsg-2+deb9u2fixed
buster, buster (lts)2018.20181218.49446-1+deb10u3fixed
buster (security)2018.20181218.49446-1+deb10u2fixed
bullseye2020.20200327.54578-7+deb11u1fixed
bullseye (security)2020.20200327.54578-7+deb11u2fixed
bookworm2022.20220321.62855-5.1+deb12u1fixed
trixie2024.20240313.70630+ds-4fixed
sid2024.20240313.70630+ds-5fixed
tla (PTS)jessie1.3.5+dfsg1-1fixed
buster, bullseye, stretch1.3.5+dfsg1-2fixed
bookworm1.3.5+dfsg1-2.1fixed
sid1.3.5+dfsg2-1fixed
udunits (PTS)jessie2.2.17-1fixed
stretch2.2.20-1fixed
buster2.2.26-5fixed
bullseye2.2.28-3fixed
bookworm2.2.28-5fixed
sid, trixie2.2.28-7fixed
vnc4 (PTS)jessie4.1.1+X4.3.0-37.6fixed
buster, stretch4.1.1+X4.3.0+t-1fixed
vxl (PTS)jessie1.17.0.dfsg-1fixed
xmlrpc-c (PTS)jessie1.33.14-0.2fixed
stretch1.33.14-4fixed
buster1.33.14-8fixed
bullseye1.33.14-9fixed
bookworm1.33.14-11fixed
sid, trixie1.59.03-5fixed
xotcl (PTS)jessie1.6.8-1fixed
stretch1.6.8-3fixed
buster1.6.8-4fixed
bullseye1.6.8-4.1fixed
sid, trixie, bookworm1.6.8-5fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
audacitysource(unstable)1.3.2-1unimportant560919
ayttmsource(unstable)0.6.1-2low560924
cableswigsource(unstable)(unfixed)unimportant560925
cadaversource(unstable)(unfixed)unimportant560926
centerimsource(unstable)4.22.10-1low
cmakesource(unstable)2.6.0-6unimportant560927
coin3source(unstable)(unfixed)unimportant560928
expatsourceetch1.95.8-3.4+etch1DSA-1921-1
expatsourcelenny2.0.1-4+lenny1DSA-1921-1
expatsource(unstable)2.0.1-5low551936
gdcmsource(unstable)2.0.14-2low560929
ghostscriptsource(unstable)8.71~dfsg-2unimportant560930
grmonitorsource(unstable)(unfixed)unimportant560931
gs-gplsource(unstable)(unfixed)unimportant
iceapesource(unstable)(unfixed)unimportant560932
iceweaselsource(unstable)(not affected)
insighttoolkitsource(unstable)3.16.0-1unimportant560933
kompozersource(unstable)1:0.8~b1-2unimportant560944
matanzasource(unstable)(unfixed)unimportant560920
mcabbersource(unstable)0.10.0-1low601053
paraviewsource(unstable)3.6.2-1unimportant560935
pocosource(unstable)1.3.6p1-1unimportant560936
python-4suitesource(unstable)1.0.2-7.2low560914
python-xmlsourcelenny0.8.4-10.1+lenny1
python-xmlsource(unstable)(unfixed)low560951
python2.4sourceetch2.4.4-3+etch3DSA-1977-1
python2.4sourcelenny2.4.6-1+lenny1DSA-1977-1
python2.4source(unstable)2.4.4-3etch3low560913
python2.5sourceetch2.5-5+etch2DSA-1977-1
python2.5sourcelenny2.5.2-15+lenny1DSA-1977-1
python2.5source(unstable)2.5.4-3.1low560912
simgearsource(unstable)2.10.0-1unimportant560937
smartsource(unstable)1.2-5low560953
tdomsource(unstable)0.8.3~20080525-1low560921
texlive-binsource(unstable)(not affected)
tlasourcelenny1.3.5+dfsg-14+lenny1
tlasource(unstable)1.3.5+dfsg-15unimportant560940
udunitssource(unstable)2.1.8-4unimportant560922
vnc4source(unstable)(not affected)
vxlsource(unstable)1.13.0-2low560945
w3c-libwwwsource(unstable)(unfixed)low551938
wxwidgets2.6source(unstable)2.6.3.2.2-4unimportant560916
wxwidgets2.8source(unstable)2.8.10.1-2unimportant560917
wxwindows2.4source(unstable)(unfixed)unimportant560915
xmlrpc-csource(unstable)1.06.27-1.1low560942
xotclsource(unstable)1.6.5-1.2low560950
xulrunnersource(unstable)(unfixed)unimportant560946

Notes

[lenny] - mcabber <no-dsa> (Minor issue)
[etch] - w3c-libwww <no-dsa> (Minor issue, only used by fringe apps)
[etch] - python-xml <no-dsa> (minor issue)
[etch] - python-4suite <no-dsa> (Minor issue)
[lenny] - python-4suite <no-dsa> (Minor issue)
[etch] - tdom <no-dsa> (minor issue)
[etch] - ayttm <no-dsa> (minor issue)
[lenny] - ayttm <no-dsa> (minor issue)
[lenny] - centerim <no-dsa> (Minor issue)
[etch] - smart <no-dsa> (minor issue)
[lenny] - smart <no-dsa> (minor issue)
[etch] - xmlrpc-c <no-dsa> (minor issue)
[lenny] - xmlrpc-c <no-dsa> (minor issue)
- iceweasel <not-affected> (uses xulrunner; bug #560943)
- texlive-bin <not-affected> (Files are not compiled in, see #560948)
- vnc4 <not-affected> (Not affected, see bug #560949)
[lenny] - xotcl <no-dsa> (minor issue)
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