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 (security), buster, buster (lts)90.0.4430.212-1~deb10u1fixed
bullseye (security), bullseye120.0.6099.224-1~deb11u1fixed
bookworm130.0.6723.91-1~deb12u1fixed
bookworm (security)131.0.6778.204-1~deb12u1fixed
trixie131.0.6778.139-1fixed
sid131.0.6778.204-1fixed
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
bookworm (security), bookworm2.5.0-1+deb12u1fixed
sid, trixie2.6.4-1fixed
firefox (PTS)sid133.0.3-1fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2fixed
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1fixed
buster (security), buster, buster (lts)115.12.0esr-1~deb10u1fixed
bullseye115.14.0esr-1~deb11u1fixed
bullseye (security)128.5.0esr-1~deb11u1fixed
bookworm128.3.1esr-1~deb12u1fixed
bookworm (security)128.5.0esr-1~deb12u1fixed
trixie128.5.0esr-1fixed
sid128.5.1esr-1fixed
thunderbird (PTS)jessie, jessie (lts)1:68.9.0-1~deb8u2fixed
stretch (security), stretch (lts), stretch1:91.10.0-1~deb9u1fixed
buster (security), buster, buster (lts)1:115.12.0-1~deb10u1fixed
bullseye1:115.12.0-1~deb11u1fixed
bullseye (security)1:128.5.0esr-1~deb11u1fixed
bookworm1:115.16.0esr-1~deb12u1fixed
bookworm (security)1:128.5.0esr-1~deb12u1fixed
sid, trixie1:128.5.2esr-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-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
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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