CVE-2017-6962

NameCVE-2017-6962
DescriptionAn issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2911-1
Debian Bugs854447

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apng2gif (PTS)buster1.8-0.1fixed
bullseye1.8-2fixed
bookworm1.8-4fixed
sid, trixie1.8-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
apng2gifsourcewheezy(not affected)
apng2gifsourcejessie(not affected)
apng2gifsourcestretch1.8-0.1~deb9u1DLA-2911-1
apng2gifsource(unstable)1.8-0.1854447

Notes

[jessie] - apng2gif <not-affected> (Vulnerable code introduced later with refactoring)
[wheezy] - apng2gif <not-affected> (Vulnerable code introduced later with refactoring)

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