CVE-2019-15903

NameCVE-2019-15903
DescriptionIn libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1912-1, DLA-1987-1, DLA-1997-1, DSA-4530-1, DSA-4549-1, DSA-4571-1, ELA-161-1
Debian Bugs939394

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chromium (PTS)stretch (security), stretch (lts), stretch73.0.3683.75-1~deb9u1fixed
buster, buster (security)90.0.4430.212-1~deb10u1fixed
bullseye (security), bullseye120.0.6099.224-1~deb11u1fixed
bookworm121.0.6167.139-1~deb12u1fixed
bookworm (security)123.0.6312.86-1~deb12u1fixed
trixie122.0.6261.57-1fixed
sid123.0.6312.86-1fixed
expat (PTS)jessie, jessie (lts)2.1.0-6+deb8u10fixed
stretch (security)2.2.0-2+deb9u5fixed
stretch (lts), stretch2.2.0-2+deb9u7fixed
buster2.2.6-2+deb10u4fixed
buster (security)2.2.6-2+deb10u6fixed
bullseye (security), bullseye2.2.10-2+deb11u5fixed
bookworm2.5.0-1fixed
trixie2.5.0-2fixed
sid2.6.2-1fixed
firefox (PTS)sid124.0.1-1fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2fixed
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1fixed
buster91.12.0esr-1~deb10u1fixed
buster (security)115.9.1esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1fixed
bullseye (security)115.9.1esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1fixed
bookworm (security)115.9.1esr-1~deb12u1fixed
trixie115.8.0esr-1fixed
sid115.9.1esr-1fixed
thunderbird (PTS)jessie, jessie (lts)1:68.9.0-1~deb8u2fixed
stretch (security), stretch (lts), stretch1:91.10.0-1~deb9u1fixed
buster1:91.12.0-1~deb10u1fixed
buster (security)1:115.9.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1fixed
bullseye (security)1:115.9.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1fixed
bookworm (security)1:115.9.0-1~deb12u1fixed
trixie1:115.7.0-1fixed
sid1:115.9.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chromiumsource(unstable)(not affected)
expatsourcewheezy2.1.0-1+deb7u7ELA-161-1
expatsourcejessie2.1.0-6+deb8u6DLA-1912-1
expatsourcestretch2.2.0-2+deb9u3DSA-4530-1
expatsourcebuster2.2.6-2+deb10u1DSA-4530-1
expatsource(unstable)2.2.7-2939394
firefoxsource(unstable)70.0-1
firefox-esrsourcewheezy(unfixed)end-of-life
firefox-esrsourcejessie68.2.0esr-1~deb8u1DLA-1987-1
firefox-esrsourcestretch68.2.0esr-1~deb9u2DSA-4549-1
firefox-esrsourcebuster68.2.0esr-1~deb10u1DSA-4549-1
firefox-esrsource(unstable)68.2.0esr-1
thunderbirdsourcewheezy(unfixed)end-of-life
thunderbirdsourcejessie1:68.2.2-1~deb8u1DLA-1997-1
thunderbirdsourcestretch1:68.2.2-1~deb9u1DSA-4571-1
thunderbirdsourcebuster1:68.2.2-1~deb10u1DSA-4571-1
thunderbirdsource(unstable)1:68.2.1-1

Notes

- chromium <not-affected> (uses system libexpat)
https://github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43
https://github.com/libexpat/libexpat/issues/317
https://github.com/libexpat/libexpat/pull/318
https://www.mozilla.org/en-US/security/advisories/mfsa2019-34/#CVE-2019-15903
https://www.mozilla.org/en-US/security/advisories/mfsa2019-33/#CVE-2019-15903
https://www.mozilla.org/en-US/security/advisories/mfsa2019-35/#CVE-2019-15903
src:hromium uses the system expat library.

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