Description
SDL v1.2 was discovered to contain a use-after-free via the XFree function at /src/video/x11/SDL_x11yuv.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | libsdl1.2 | 1.2.15+dfsg2-8 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libsdl1.2 | No fix yet | — |
| Ubuntu 20.04 LTS | libsdl1.2 | No fix yet | — |
| Ubuntu 18.04 LTS | libsdl1.2 | No fix yet | — |
| Ubuntu 16.04 LTS | libsdl2 | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libsdl1.2 | 1.2.15+dfsg1-3ubuntu0.1+esm2 | USN-5586-1 |
| Ubuntu Pro 14.04 LTS | libsdl1.2 | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | SDL | No fix yet | — |
Advisories 1
- USN-5586-1 libsdl1.2 vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
References
- https://github.com/libsdl-org/SDL-1.2/issues/863
- GLSA-202305-17 vendor-advisory