| Name | CVE-2020-26682 |
| Description | In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow. |
| 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 | 975108 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libass (PTS) | buster | 1:0.14.0-2 | vulnerable |
| bullseye | 1:0.15.0-2 | fixed |
| bookworm | 1:0.17.1-1 | fixed |
| sid, trixie | 1:0.17.1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libass | source | stretch | (not affected) | | | |
| libass | source | (unstable) | 1:0.15.0-1 | | | 975108 |
Notes
[buster] - libass <no-dsa> (Minor issue)
[stretch] - libass <not-affected> (Vulnerable code not present)
https://github.com/libass/libass/issues/431
https://github.com/libass/libass/pull/432