CVE-2016-9843

NameCVE-2016-9843
DescriptionThe crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1725-1, DLA-2085-1
Debian Bugs847275, 924509

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rsync (PTS)bullseye3.2.3-4+deb11u1fixed
bookworm3.2.7-1fixed
sid, trixie3.3.0-1fixed
zlib (PTS)bullseye (security), bullseye1:1.2.11.dfsg-2+deb11u2fixed
bookworm1:1.2.13.dfsg-1fixed
sid, trixie1:1.3.dfsg+really1.3.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rsyncsourcejessie3.1.1-3+deb8u2DLA-1725-1
rsyncsourcestretch3.1.2-1+deb9u2
rsyncsource(unstable)3.1.3-6924509
zlibsourcejessie1:1.2.8.dfsg-2+deb8u1DLA-2085-1
zlibsource(unstable)1:1.2.8.dfsg-3847275

Notes

[wheezy] - zlib <no-dsa> (Minor issue)
https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811
Report: https://wiki.mozilla.org/images/0/09/Zlib-report.pdf

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