{"id":"CVE-2026-52491","details":"An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the libtiff/tools/thumbnail.c: main() component","modified":"2026-08-27T19:14:09.100266Z","published":"2026-08-25T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52491.json"},"references":[{"type":"WEB","url":"https://gist.github.com/okyfh/5cc53fa67d229017231cf18c91768bd9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52491.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52491"},{"type":"FIX","url":"https://gitlab.com/libtiff/libtiff/-/commit/9ce4d089bcf25496663776d9e6336738112f09a3"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/libtiff/libtiff","events":[{"introduced":"0"},{"fixed":"9ce4d089bcf25496663776d9e6336738112f09a3"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v4.7.1rc1","v4.7.1","v4.7.0rc2","v4.7.0","v4.7.0rc1","v4.6.0rc1","v4.5.1rc3","v4.5.1","v4.5.1rc2","v4.5.1rc1","v4.5.0rc3","v4.5.0","v4.5.0rc2","v4.4.0rc1","v4.4.0","v4.3.0rc1","v4.3.0","v4.2.0","v4.1.0","v4.0.10","v4.0.9","v4.0.8","v4.0.7","v4.0.6","v4.0.5","v4.0.4","v4.0.4beta","v4.0.3","v4.0.2","v4.0.1","v4.0.0","v4.0.0beta7","v4.0.0alpha6","v4.0.0alpha5","v4.0.0alpha4","v4.0.0alpha","v3.8.2","v3.8.1","v3.8.0","v3.7.4","v3.7.3","v3.7.2","v3.7.1","v3.7.0","v3.7.0beta2","v3.7.0beta","v3.7.0alpha","v3.6.1","v3.6.0","v3.6.0beta2","v3.5.7","v3.5.5","v3.5.4","v3.5.3"],"database_specific":{"vanir_signatures_modified":"2026-08-27T19:14:09Z","vanir_signatures":[{"signature_version":"v1","source":"https://gitlab.com/libtiff/libtiff@9ce4d089bcf25496663776d9e6336738112f09a3","target":{"file":"tools/thumbnail.c"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["321847031254240673946123491396191512489","19244761794721123692628131606794889392","181973358953000563359092320916517291376","328070497374035677155969109624473263563"]},"id":"CVE-2026-52491-5f3683eb","signature_type":"Line"},{"id":"CVE-2026-52491-8130d5f6","signature_type":"Function","signature_version":"v1","source":"https://gitlab.com/libtiff/libtiff@9ce4d089bcf25496663776d9e6336738112f09a3","target":{"file":"tools/thumbnail.c","function":"main"},"deprecated":false,"digest":{"function_hash":"247030284023708126795970021088442129381","length":1349}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52491.json"}}],"schema_version":"1.9.0"}