| Name | CVE-2021-40656 |
| Description | libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867. |
| 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 |
|---|
| libsixel (PTS) | jessie | 1.1.2-1 | vulnerable |
| stretch | 1.5.2-2+deb9u1 | vulnerable |
| buster | 1.8.2-1+deb10u1 | vulnerable |
| bullseye | 1.8.6-2 | vulnerable |
| sid, trixie, bookworm | 1.10.3-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libsixel | source | jessie | (unfixed) | end-of-life | | |
| libsixel | source | (unstable) | 1.10.3-1 | | | |
Notes
[bullseye] - libsixel <no-dsa> (Minor issue)
[buster] - libsixel <no-dsa> (Minor issue)
[stretch] - libsixel <no-dsa> (Minor issue)
https://github.com/libsixel/libsixel/commit/dc96cdc27fb53e8595af67aaf68001033c808e42 (1.10.0)
https://github.com/libsixel/libsixel/pull/26
https://github.com/libsixel/libsixel/issues/25