{"cve":"CVE-2026-117557","nvd":{"published":"2026-10-27T14:16:37.590","modified":"2026-10-27T16:03:45.247","status":"Awaiting Analysis","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.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":6.1},"cwes":["CWE-125"],"references":["https://github.com/libsdl-org/SDL_image","https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240","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/issues/769"],"products":[],"source":"nvd","synced_at":"2026-10-27T16:32:07.674810065+00:00"},"epss":null,"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}