giflib: A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of...
CVE-2021-40633 is fixed in 3 products on 1 platform, first by giflib-tools 5.1.9-2ubuntu0.1, released June 14, 2022. It is not reported as exploited. Patch Radar priority: High.
A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of memory exception or denial of service via a gif format file.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| giflib · Debian 13.5 (trixie) | 5.2.2-1 | DEBIAN-CVE-2021-40633 | Jun 14, 2022 |
| giflib · Debian 14 | 5.2.2-1 | DEBIAN-CVE-2021-40633 | Jun 14, 2022 |
| giflib-tools · Ubuntu 18.04.6 LTS (bionic) | 5.1.4-2ubuntu0.1+esm1 | giflib-tools 5.1.4-2ubuntu0.1+esm1 | Aug 25, 2023 |
| giflib-tools · Ubuntu 20.04 LTS (focal) | 5.1.9-1ubuntu0.1 | giflib-tools 5.1.9-1ubuntu0.1 | Aug 25, 2023 |
| giflib-tools · Ubuntu 22.04.1 LTS (jammy) | 5.1.9-2ubuntu0.1 | giflib-tools 5.1.9-2ubuntu0.1 | Jun 14, 2022 |
| libgif7 · Ubuntu 18.04.6 LTS (bionic) | 5.1.4-2ubuntu0.1+esm1 | libgif7 5.1.4-2ubuntu0.1+esm1 | Aug 25, 2023 |
| libgif7 · Ubuntu 20.04 LTS (focal) | 5.1.9-1ubuntu0.1 | libgif7 5.1.9-1ubuntu0.1 | Aug 25, 2023 |
| libgif7 · Ubuntu 22.04.1 LTS (jammy) | 5.1.9-2ubuntu0.1 | libgif7 5.1.9-2ubuntu0.1 | Jun 14, 2022 |
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