| Name | CVE-2021-30020 |
| Description | In the function gf_hevc_read_pps_bs_internal function in media_tools/av_parsers.c in GPAC 1.0.1 there is a loop, which with crafted file, pps->num_tile_columns may be larger than sizeof(pps->column_width), which results in a heap overflow in the loop. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 987323 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gpac (PTS) | jessie, jessie (lts) | 0.5.0+svn5324~dfsg1-1+deb8u5 | vulnerable |
| stretch | 0.5.2-426-gc5ad4e4+dfsg5-3+deb9u1 | fixed |
| buster | 0.5.2-426-gc5ad4e4+dfsg5-5 | fixed |
| bullseye (security), bullseye | 1.0.1+dfsg1-4+deb11u3 | fixed |
| 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 | jessie | (unfixed) | end-of-life | | |
| gpac | source | stretch | (not affected) | | | |
| gpac | source | buster | (not affected) | | | |
| gpac | source | (unstable) | 1.0.1+dfsg1-4 | | | 987323 |
Notes
[buster] - gpac <not-affected> (Vulnerable code not present)
[stretch] - gpac <not-affected> (Vulnerable code not present)
https://github.com/gpac/gpac/commit/51cdb67ff7c5f1242ac58c5aa603ceaf1793b788
https://github.com/gpac/gpac/issues/1722