{"id":"CVE-2026-8669","summary":"Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files","details":"Imager versions through 1.030 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF files.\n\nImager::File::GIF's i_readgif_multi_low allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file.\n\nThe page-match branch validates Image.Width + Image.Left \u003e SWidth before each DGifGetLine write, but the parallel skip-image branch at imgif.c:790-805 calls DGifGetLine(GifFile, GifRow, Width) with no such check.","modified":"2026-08-12T16:09:26.468518Z","published":"2026-05-15T13:31:14.449Z","database_specific":{"cwe_ids":["CWE-787"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8669.json","cna_assigner":"CPANSec"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/15/17"},{"type":"WEB","url":"https://cpan.org/modules"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8669.json"},{"type":"ADVISORY","url":"https://metacpan.org/release/TONYC/Imager-1.031/source/Changes"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8669"},{"type":"FIX","url":"https://github.com/tonycoz/imager/commit/782e9c06cc75a0f7eed383f39522f51f44598b04.patch"},{"type":"PACKAGE","url":"https://github.com/tonycoz/imager"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tonycoz/imager","events":[{"introduced":"0"},{"fixed":"b8c19da5baca1d3a5e5de7a29a917d8ca4ccb8f6"},{"fixed":"782e9c06cc75a0f7eed383f39522f51f44598b04"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.030"}],"source":["DESCRIPTION","REFERENCES"]}}],"versions":["v1.030","v1.029","v1.028","v1.027","v1.026","v1.025","v1.024","v1.023","v1.022","v1.021","v1.020","v1.019","v1.018","v1.017","v1.016","v1.015","v1.014","v1.013","v1.012","v1.011","v1.010","v1.009","v1.008","v1.007","v1.006","v1.005","v1.004_004","v1.004_003","v1.004_002","v1.004_001","v1.004","v1.003","v1.002","v1.001","v1.000","v0.99_02","v0.99_01","v0.99","v0.98","v0.97","v0.96_02","v0.96_01","v0.96","v0.95","v0.94_02","v0.94_01","v0.94","v0.93","v0.92","v0.91","v0.90","v0.89","v0.88","v0.87","v0.86","v0.85_02","v0.85_01","v0.85","v0.84_02","v0.84_01","v0.84","v0.83","v0.82_01","Imager-0.82","Imager-0.81","Imager-0.80","Imager-0.79","Imager-0.78","Imager-0.77","Imager-0.76","Imager-0.75","Imager-0.72","Imager-0.71","Imager-0.65","Imager-0.63","Imager-0.61","Imager-0.60","Imager-0.59","Imager-0.58","Imager-0.55","Imager-0.53","Imager-0.52","Imager-0.51_02","Imager-0.51_01","Imager-0.49","Imager-0_38pre9","Imager-0_38"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8669.json","vanir_signatures_modified":"2026-08-12T16:09:26Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/tonycoz/imager/commit/782e9c06cc75a0f7eed383f39522f51f44598b04","target":{"file":"GIF/imgif.c"},"deprecated":false,"digest":{"line_hashes":["46860043468544964113132919625162930536","35273848257858493462335906833620264612","281204360428550329474466721928823068751","306408919769302464309634585352268674862","234247009981710509121541266452789471783","78289130565255060544143492540105813332","182136963926847311953737578636687175143","318486416750502075082441804365480872493","308139360653165932373752416472635488719","30203600588222488393832740903178851713","275759754842006280383438788911036213505","305688974245833850232117739758926708733","16043790666727679901957621956233326003","94034430467792271747143785332541731971","1311818874732169873232626054904576526","78555117961352823519974455346704210914","173328375894549266865528947832989263920","170496831023133428147270261571167540154"],"threshold":0.9},"id":"CVE-2026-8669-82b90ba8","signature_type":"Line"},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/tonycoz/imager/commit/782e9c06cc75a0f7eed383f39522f51f44598b04","target":{"file":"GIF/imgif.c","function":"i_readgif_multi_low"},"deprecated":false,"digest":{"function_hash":"239959984617517653726008150084814055287","length":8216},"id":"CVE-2026-8669-d3b25883"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}