CVE-2020-24994

NameCVE-2020-24994
DescriptionStack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.
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)stretch1:0.13.4-2vulnerable
buster1:0.14.0-2vulnerable
bullseye1:0.15.0-2fixed
bookworm, sid1:0.15.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libasssource(unstable)1:0.15.0-1

Notes

[buster] - libass <no-dsa> (Minor issue)
[stretch] - libass <no-dsa> (Minor issue)
https://github.com/libass/libass/issues/422
https://github.com/libass/libass/issues/423
https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e799 (0.15.0)

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