| Name | CVE-2020-24994 |
| Description | Stack 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. |
| 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 |
|---|
| libass (PTS) | jessie, jessie (lts) | 0.10.2-3+deb8u1 | vulnerable |
| stretch | 1:0.13.4-2 | vulnerable |
| buster | 1:0.14.0-2 | vulnerable |
| bullseye | 1:0.15.0-2 | fixed |
| bookworm | 1:0.17.1-1 | fixed |
| sid, trixie | 1:0.17.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libass | source | (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)
[jessie] - libass <no-dsa> (Minor issue)