| Name | CVE-2021-32439 |
| Description | Buffer 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. |
| 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) | buster | 0.5.2-426-gc5ad4e4+dfsg5-5 | fixed |
| bullseye (security), bullseye | 1.0.1+dfsg1-4+deb11u3 | vulnerable |
| sid | 2.2.1+dfsg1-3.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gpac | source | stretch | (not affected) | | | |
| gpac | source | buster | (not affected) | | | |
| gpac | source | (unstable) | 2.0.0+dfsg1-2 | | | |
Notes
[bullseye] - gpac <no-dsa> (Minor issue)
[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