CVE-2020-26682

NameCVE-2020-26682
DescriptionIn libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libass (PTS)stretch1:0.13.4-2fixed
buster, bullseye1:0.14.0-2vulnerable
sid1:0.15.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libasssourcestretch(not affected)
libasssource(unstable)1:0.15.0-1

Notes

[buster] - libass <no-dsa> (Minor issue)
[stretch] - libass <not-affected> (Vulnerable code not present)
https://github.com/libass/libass/issues/431
https://github.com/libass/libass/pull/432

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