CVE-2021-32439

NameCVE-2021-32439
DescriptionBuffer overflow in the stbl_AppendSize function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code 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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gpac (PTS)stretch0.5.2-426-gc5ad4e4+dfsg5-3+deb9u1fixed
buster0.5.2-426-gc5ad4e4+dfsg5-5fixed
bullseye (security), bullseye1.0.1+dfsg1-4+deb11u1vulnerable
bookworm, sid2.0.0+dfsg1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gpacsourcestretch(not affected)
gpacsourcebuster(not affected)
gpacsource(unstable)2.0.0+dfsg1-2

Notes

[buster] - gpac <not-affected> (Vulnerable code introduced later, in version 0.8.0)
[stretch] - gpac <not-affected> (Vulnerable code introduced later, in version 0.8.0)
https://github.com/gpac/gpac/commit/77ed81c069e10b3861d88f72e1c6be1277ee7eae (v2.0.0)
https://github.com/gpac/gpac/issues/1774
Introduced by https://github.com/gpac/gpac/commit/51dadae6c790af3f639c4d9d660658b2848b51a0
The vulnerability affects operations on multiple samples, which rely on a change which was only introduced in 51dadae6c7

Search for package or bug name: Reporting problems