CVE-2026-117557
CVE-2026-117557 · SDL_image through 3.4.8 and 2.8.12 Stack Out-of-Bounds Read in ILBM Loader
This page contains facts from public vulnerability sources. Check the original advisory before updating.
SDL_image through 3.4.8 and through 2.8.12 contains a stack out-of-bounds read vulnerability in IMG_LoadLBM_IO() in src/IMG_lbm.c that skips bitplane count validation when HAM mode is set. Attackers can supply a crafted ILBM file with more than 8 HAM bitplanes to read past the colormap stack array, causing crashes or disclosing stack memory.
CVSS 6.9 · Medium · EPSS 0.1%
- Published
- Updated
Affected products and versions
sdl_image
- Versions
- ≥ 0, ≤ 2.8.12: Affected (semver)
- ≥ 3.0.0, ≤ 3.4.8: Affected (semver)
No fix published
Original sources
- https://github.com/libsdl-org/SDL_image/issues/769
- https://github.com/libsdl-org/SDL_image
- https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292
- https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996
- https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240
- https://www.vulncheck.com/advisories/sdl-image-through-3.4.8-and-2.8.12-stack-out-of-bounds-read-in-ilbm-loader
- https://nvd.nist.gov/vuln/detail/CVE-2026-117557