{"affected":[{"defaultStatus":"unaffected","product":"SDL_image","source":"CNA: VulnCheck","vendor":"libsdl-org","versions":[{"lessThanOrEqual":"2.8.12","status":"affected","version":"0","versionType":"semver"},{"lessThanOrEqual":"3.4.8","status":"affected","version":"3.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-117557","cwes":["CWE-125"],"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.","epss":{"date":"2026-11-04","percentile":0.02563,"score":0.00129},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://hackmd.io/@haindpwn/sdl-image-lbm-ham-oob-read"}],"kev":null,"metrics":[{"score":6.9,"severity":"medium","source":"CNA: VulnCheck","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","version":"4.0"},{"score":6.1,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"},{"score":6.9,"severity":"medium","source":"NVD: disclosure@vulncheck.com","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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":6.1,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"}],"modifiedAt":1793812651530,"publishedAt":1793106472419,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/libsdl-org/SDL_image/issues/769"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/libsdl-org/SDL_image"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"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":"ADP: CISA-ADP","tags":["exploit"],"url":"https://hackmd.io/@haindpwn/sdl-image-lbm-ham-oob-read"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/libsdl-org/SDL_image"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/libsdl-org/SDL_image/blob/release-3.4.8/src/IMG_lbm.c#L240"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/libsdl-org/SDL_image/issues/769"},{"source":"disclosure@vulncheck.com","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"},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"url":"https://hackmd.io/@haindpwn/sdl-image-lbm-ham-oob-read"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/libsdl-org/SDL_image/commit/5cfbe85f3a783417eec4d5aa0660b40c2cff5292"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/libsdl-org/SDL_image/commit/9c0622c36cf01e9ecba4bfdd6c4aa2b21c8cf996"}],"revision":"ce242711e543c9b0ae6ccfdc4b5e1608709fbc0b024dfa4e4f343be20d131766","sources":[{"modifiedAt":1793811155775,"name":"CNA: VulnCheck","retrievedAt":1793812167059,"url":"https://www.cve.org/CVERecord?id=CVE-2026-117557"},{"modifiedAt":1793812651530,"name":"NVD","retrievedAt":1793816542574,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-117557"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793812192487,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-117557"}],"ssvc":{"assessedAt":1793811145426,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"SDL_image through 3.4.8 and 2.8.12 Stack Out-of-Bounds Read in ILBM Loader","updatedAt":1793816542574}