
CVE catalog
CVE-2021-33657
libsdl1.2: CVE-2021-33657
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.05% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libsdl2 | sid | 2.32.10+dfsg-8 | fixed |
| Debian | libsdl2 | forky | 2.32.10+dfsg-8 | fixed |
| Debian | libsdl2 | trixie | 2.32.4+dfsg-1 | fixed |
| Debian | libsdl2 | bookworm | 2.26.5+dfsg-1 | fixed |
| Debian | libsdl1.2 | bookworm | 1.2.15+dfsg2-8 | fixed |
| Ubuntu | libsdl1.2 | pro | 1.2.15-11ubuntu1 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15-12ubuntu1 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15+dfsg1-3 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15+dfsg1-3ubuntu0.1 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15+dfsg1-3ubuntu0.1+esm1 | fixed |
| Ubuntu | libsdl1.2 | 18.04 | 1.2.15+dfsg2-0.1 | vulnerable |
| Ubuntu | libsdl1.2 | 18.04 | 1.2.15+dfsg2-0.1ubuntu0.1 | vulnerable |
| Ubuntu | libsdl1.2 | 18.04 | 1.2.15+dfsg2-0.1ubuntu0.2 | fixed |
| Ubuntu | libsdl1.2 | pro | 1.2.15-11ubuntu1 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15-12ubuntu1 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15+dfsg1-3 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15+dfsg1-3ubuntu0.1 | vulnerable |
| Ubuntu | libsdl1.2 | pro | 1.2.15+dfsg1-3ubuntu0.1+esm1 | fixed |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-1ubuntu1 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-1ubuntu4 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-1ubuntu6 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-1ubuntu7 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-1ubuntu8 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-2ubuntu5 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-3 | vulnerable |
| Ubuntu | libsdl2 | pro | 2.0.10+dfsg1-3ubuntu0.1~esm1 | vulnerable |
| Ubuntu | libsdl2 | 16.04 | 2.0.2+dfsg1-6ubuntu2 | vulnerable |
| Ubuntu | libsdl2 | 16.04 | 2.0.4+dfsg1-2 | vulnerable |
| Ubuntu | libsdl2 | 16.04 | 2.0.4+dfsg1-2ubuntu1 | vulnerable |
| Ubuntu | libsdl2 | 16.04 | 2.0.4+dfsg1-2ubuntu2 | vulnerable |
| Ubuntu | libsdl2 | 16.04 | 2.0.4+dfsg1-2ubuntu2.16.04.1 | vulnerable |
| Ubuntu | libsdl2 | 16.04 | 2.0.4+dfsg1-2ubuntu2.16.04.2 | vulnerable |
| Ubuntu | libsdl1.2 | 18.04 | 1.2.15+dfsg2-0.1 | vulnerable |
| Ubuntu | libsdl1.2 | 18.04 | 1.2.15+dfsg2-0.1ubuntu0.1 | vulnerable |
| Ubuntu | libsdl1.2 | 18.04 | 1.2.15+dfsg2-0.1ubuntu0.2 | fixed |
| Ubuntu | libsdl1.2 | 20.04 | 1.2.15+dfsg2-5 | vulnerable |
| Ubuntu | libsdl1.2 | 22.04 | 1.2.15+dfsg2-6 | vulnerable |
| Suse | SDL2 | linux enterprise high performance computing 15-espos | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise high performance computing 15-ltss | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise high performance computing 15 sp1-espos | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise high performance computing 15 sp1-ltss | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise server 15-ltss | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise server 15 sp1-bcl | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise server 15 sp1-ltss | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise server for sap applications 15 | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise server for sap applications 15 sp1 | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | enterprise storage 6 | 2.0.8-150000.3.21.1 | fixed |
| Suse | SDL2 | linux enterprise module for desktop applications 15 sp3 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise module for package hub 15 sp3 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise module for package hub 15 sp4 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise high performance computing 15 sp2-espos | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise high performance computing 15 sp2-ltss | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise real time 15 sp2 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise server 15 sp2-bcl | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise server 15 sp2-ltss | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | linux enterprise server for sap applications 15 sp2 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | manager proxy 4.1 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | manager retail branch server 4.1 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | manager server 4.1 | 2.0.8-150200.11.6.1 | fixed |
| Suse | SDL2 | enterprise storage 7 | 2.0.8-150200.11.6.1 | fixed |
| Opensuse | SDL2 | leap 15.3 | 2.0.8-150200.11.6.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libsdl2 | source | sid | 2.0.20+dfsg-2 | not yet assigned | Not reported | Not reported |
| Debian | libsdl2 | source | forky | 2.0.20+dfsg-2 | not yet assigned | Not reported | Not reported |
| Debian | libsdl2 | source | trixie | 2.0.20+dfsg-2 | not yet assigned | Not reported | Not reported |
| Debian | libsdl2 | source | bookworm | 2.0.20+dfsg-2 | not yet assigned | Not reported | Not reported |
| Debian | libsdl1.2 | source | bookworm | 1.2.15+dfsg2-7 | not yet assigned | Not reported | [1014577] |
| Ubuntu | libsdl1.2 | deb | pro | 1.2.15+dfsg1-3ubuntu0.1+esm1 | Not reported | USN-5398-1 | Not reported |
| Ubuntu | libsdl1.2 | deb | 18.04 | 1.2.15+dfsg2-0.1ubuntu0.2 | Not reported | USN-5398-1 | Not reported |
| Ubuntu | libsdl1.2 | deb | pro | 1.2.15+dfsg1-3ubuntu0.1+esm1 | Not reported | UBUNTU-CVE-2021-33657 | Not reported |
| Ubuntu | libsdl1.2 | deb | 18.04 | 1.2.15+dfsg2-0.1ubuntu0.2 | Not reported | UBUNTU-CVE-2021-33657 | Not reported |
| Suse | SDL2 | rpm | linux enterprise high performance computing 15-espos | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise high performance computing 15-ltss | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise high performance computing 15 sp1-espos | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise high performance computing 15 sp1-ltss | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server 15-ltss | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server 15 sp1-bcl | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server 15 sp1-ltss | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server for sap applications 15 | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server for sap applications 15 sp1 | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | enterprise storage 6 | 2.0.8-150000.3.21.1 | Not reported | SUSE-SU-2022:1313-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise module for desktop applications 15 sp3 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise module for package hub 15 sp3 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise module for package hub 15 sp4 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise high performance computing 15 sp2-espos | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise high performance computing 15 sp2-ltss | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise real time 15 sp2 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server 15 sp2-bcl | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server 15 sp2-ltss | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | linux enterprise server for sap applications 15 sp2 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | manager proxy 4.1 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | manager retail branch server 4.1 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | manager server 4.1 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Suse | SDL2 | rpm | enterprise storage 7 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
| Opensuse | SDL2 | rpm | leap 15.3 | 2.0.8-150200.11.6.1 | Not reported | SUSE-SU-2022:1218-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libsdl1.2debian]Fixed
Source package: [libsdl1.2]
Details (2)
1.2.15+dfsg2-8· amd64 · bookwormFixed · Fixed:
1.2.15+dfsg2-7dsa · libsdl1.2 · debian · bookworm; dsa · libsdl1.2 · debian · 12
1.2.15+dfsg2-8· arm64 · bookwormFixed · Fixed:
1.2.15+dfsg2-7dsa · libsdl1.2 · debian · bookworm; dsa · libsdl1.2 · debian · 12
- [libsdl1.2-dev]Fixed
Source package: [libsdl1.2]
Details (2)
1.2.15+dfsg2-8· amd64 · bookwormFixed · Fixed:
1.2.15+dfsg2-7dsa · libsdl1.2 · debian · bookworm; dsa · libsdl1.2 · debian · 12
1.2.15+dfsg2-8· arm64 · bookwormFixed · Fixed:
1.2.15+dfsg2-7dsa · libsdl1.2 · debian · bookworm; dsa · libsdl1.2 · debian · 12
- [libsdl2-2.0-0]Fixed
Source package: [libsdl2]
Details (2)
2.26.5+dfsg-1· amd64 · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
2.26.5+dfsg-1· arm64 · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
- [libsdl2-dev]Fixed
Source package: [libsdl2]
Details (2)
2.26.5+dfsg-1· amd64 · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
2.26.5+dfsg-1· arm64 · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
- [libsdl2-doc]Fixed
Source package: [libsdl2]
Details (2)
2.26.5+dfsg-1· all · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
2.26.5+dfsg-1· all · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
- [libsdl2-tests]Fixed
Source package: [libsdl2]
Details (2)
2.26.5+dfsg-1· amd64 · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
2.26.5+dfsg-1· arm64 · bookwormFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · bookworm; dsa · libsdl2 · debian · 12
[Debian 13 (Trixie)]
- [libsdl2-2.0-0]Fixed
Source package: [libsdl2]
Details (2)
2.32.4+dfsg-1· amd64 · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
2.32.4+dfsg-1· arm64 · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
- [libsdl2-dev]Fixed
Source package: [libsdl2]
Details (2)
2.32.4+dfsg-1· amd64 · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
2.32.4+dfsg-1· arm64 · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
- [libsdl2-doc]Fixed
Source package: [libsdl2]
Details (2)
2.32.4+dfsg-1· all · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
2.32.4+dfsg-1· all · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
- [libsdl2-tests]Fixed
Source package: [libsdl2]
Details (2)
2.32.4+dfsg-1· amd64 · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
2.32.4+dfsg-1· arm64 · trixieFixed · Fixed:
2.0.20+dfsg-2dsa · libsdl2 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2022_1218-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-33657]
- [https://osv.dev/vulnerability/SUSE-SU-2022:1218-1]
- [https://osv.dev/vulnerability/SUSE-SU-2022:1313-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-33657]
- [https://osv.dev/vulnerability/USN-5398-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-33657]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2031.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]