| Name | CVE-2018-19759 |
| Description | There is a heap-based buffer over-read at stb_image_write.h (function: stbi_write_png_to_mem) in libsixel 1.8.2 that will cause a denial of service. |
| 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 | 931311 |
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 | fixed |
| buster | 1.8.2-1+deb10u1 | fixed |
| bullseye | 1.8.6-2 | fixed |
| 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 | wheezy | (unfixed) | end-of-life | | |
| libsixel | source | stretch | 1.5.2-2+deb9u1 | | | |
| libsixel | source | buster | 1.8.2-1+deb10u1 | | | |
| libsixel | source | (unstable) | 1.8.2-2 | | | 931311 |
Notes
[jessie] - libsixel <no-dsa> (Minor issue)
https://github.com/saitoha/libsixel/issues/77
https://bugzilla.redhat.com/show_bug.cgi?id=1649202 (reproducer)
CVE description is misleading, not an issue in libstb