CVE-2026-117557
mediumSDL_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 val…
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
6.1
6.1 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-27 14:16
Modified: 2026-10-27 16:03
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-10-28 11:30 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/libsdl-org/SDL_image disclosure@vulncheck.com
- https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240 disclosure@vulncheck.com
- https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292 disclosure@vulncheck.com
- https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996 disclosure@vulncheck.com
- https://github.com/libsdl-org/SDL_image/issues/769 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/sdl-image-through-3.4.8-and-2.8.12-stack-out-of-bound... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗