{"id":"CVE-2026-117557","published":"2026-10-27T14:16:37.590","lastModified":"2026-10-27T16:03:45.247","description":"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.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwes":["CWE-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/libsdl-org/SDL_image","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/issues/769","tags":[]},{"url":"https://www.vulncheck.com/advisories/sdl-image-through-3.4.8-and-2.8.12-stack-out-of-bounds-read-in-ilbm-loader","tags":[]}],"exploitRefs":[{"url":"https://github.com/libsdl-org/SDL_image","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996","tags":[]},{"url":"https://github.com/libsdl-org/SDL_image/issues/769","tags":[]}],"hasPoc":true,"ai":null}