| Name | CVE-2020-36120 |
| Description | Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS). |
| 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 | 988159 |
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 | vulnerable |
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) | (unfixed) | | | 988159 |
Notes
[bookworm] - libsixel <no-dsa> (Minor issue, fix modifies the API)
[bullseye] - libsixel <ignored> (Minor issue, fix modifies the API)
[buster] - libsixel <no-dsa> (Minor issue)
[stretch] - libsixel <postponed> (Minor issue; can be fixed in next update)
https://github.com/saitoha/libsixel/issues/143 (old/defunct repo)
https://github.com/libsixel/libsixel/issues/46
https://github.com/libsixel/libsixel/pull/47