{"id":"CVE-2026-91752","revision":"0300a86877b4413b99a73f9e1c15216e","records":[{"revision":"0300a86877b4413b99a73f9e1c15216e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-91752","aliases":[],"title":"GNU libextractor before 1.15 Stack Overflow via OLE2","description":"GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream data. Attackers can craft malicious StarOffice documents that allocate up to 4 MB on the stack, causing stack overflow and crashing any application extracting metadata from the document.","state":0,"publishedAt":"2026-09-15T00:35:43.518+00:00","modifiedAt":"2026-09-24T14:22:22.119+00:00","affected":[{"ecosystem":"Vendor product","name":"libextractor","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"GNU\",\n                    \"product\": \"libextractor\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"1.15\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/Haitam-lazaar/libextractor-ole2-rce","https://git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522.html","https://git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422.html","https://www.gnu.org/software/libextractor/","https://www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91752","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-91752","identifiers":["CVE-2026-91752"]},"retained":false,"historicalAffected":[]}],"coverage":[]}