| Name | CVE-2016-6912 |
| Description | Double free vulnerability in the gdImageWebPtr function in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via large width and height values. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3777-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libgd2 (PTS) | jessie, jessie (lts) | 2.1.0-5+deb8u15 | fixed |
| stretch (security) | 2.2.4-2+deb9u4 | fixed |
| stretch (lts), stretch | 2.2.4-2+deb9u6 | fixed |
| buster (security), buster, buster (lts) | 2.2.5-5.2+deb10u1 | fixed |
| bullseye | 2.3.0-2 | fixed |
| bookworm | 2.3.3-9 | fixed |
| sid, trixie | 2.3.3-12 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libgd2 | source | wheezy | (not affected) | | | |
| libgd2 | source | jessie | 2.1.0-5+deb8u9 | | DSA-3777-1 | |
| libgd2 | source | (unstable) | 2.2.4-1 | | | |
Notes
[wheezy] - libgd2 <not-affected> (Vulnerable code introduced later)
https://github.com/libgd/libgd/commit/a49feeae76d41959d85ee733925a4cf40bac61b2