| Name | CVE-2021-21862 |
| Description | Multiple exploitable integer truncation vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an improper memory allocation resulting in a heap-based buffer overflow that causes memory corruption The implementation of the parser used for the “Xtra” FOURCC code is handled. An attacker can convince a user to open a video to trigger this vulnerability. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gpac (PTS) | bullseye (security), bullseye | 1.0.1+dfsg1-4+deb11u3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gpac | source | (unstable) | (not affected) | | | |
Notes
- gpac <not-affected> (Vulnerable code not present)
Introduced in https://github.com/gpac/gpac/commit/69ae9059fc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1298
https://github.com/gpac/gpac/commit/8cd33e8977fd5f4215e4b67c309fd403762bfeb7
https://github.com/gpac/gpac/issues/1814