{"id":"CVE-2026-117557","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-117557","generatedAt":"2026-10-28T01:53:23.243Z","title":"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.","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.","published":"2026-10-27T14:16:38.000Z","lastModified":"2026-10-27T16:03:45.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and no EPSS score yet. Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-27T14:16:38.000Z","detail":{"score":"6.9","severity":"MEDIUM","publishedAt":"2026-10-27T14:16:37.590Z"},"summary":"New CVE, medium severity (CVSS 6.9)."}],"references":[{"url":"https://github.com/libsdl-org/SDL_image","source":"disclosure@vulncheck.com"},{"url":"https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240","source":"disclosure@vulncheck.com"},{"url":"https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292","source":"disclosure@vulncheck.com"},{"url":"https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996","source":"disclosure@vulncheck.com"},{"url":"https://github.com/libsdl-org/SDL_image/issues/769","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/sdl-image-through-3.4.8-and-2.8.12-stack-out-of-bounds-read-in-ilbm-loader","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-117557","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}