| Name | CVE-2021-33657 |
| Description | There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) 2.x to 2.0.18 versions. By crafting a malicious .BMP file, an attacker can cause the application using this library to crash, denial of service or Code execution. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libsdl1.2 (PTS) | stretch | 1.2.15+dfsg1-4 | vulnerable |
| stretch (security) | 1.2.15+dfsg1-4+deb9u1 | vulnerable |
| buster | 1.2.15+dfsg2-6~deb10u1 | vulnerable |
| bookworm, sid, bullseye | 1.2.15+dfsg2-6 | vulnerable |
| libsdl2 (PTS) | stretch | 2.0.5+dfsg1-2 | vulnerable |
| stretch (security) | 2.0.5+dfsg1-2+deb9u2 | vulnerable |
| buster | 2.0.9+dfsg1-1 | vulnerable |
| bullseye | 2.0.14+dfsg2-3 | vulnerable |
| bookworm, sid | 2.0.22+dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libsdl1.2 | source | (unstable) | (unfixed) | | | |
| libsdl2 | source | (unstable) | 2.0.20+dfsg-2 | | | |
Notes
[bullseye] - libsdl1.2 <no-dsa> (Minor issue)
[buster] - libsdl1.2 <no-dsa> (Minor issue)
[stretch] - libsdl1.2 <no-dsa> (Minor issue)
[bullseye] - libsdl2 <no-dsa> (Minor issue)
[buster] - libsdl2 <no-dsa> (Minor issue)
[stretch] - libsdl2 <no-dsa> (Minor issue)
https://github.com/libsdl-org/SDL/commit/8c91cf7dba5193f5ce12d06db1336515851c9ee9 (release-2.0.20)