{"id":"CVE-2026-91752","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-91752","summary":"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…","details":"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.","published":"2026-09-15T01:16:54.967","modified":"2026-09-15T01:16:54.967","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522.html"},{"type":"WEB","url":"https://git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422.html"},{"type":"WEB","url":"https://github.com/Haitam-lazaar/libextractor-ole2-rce"},{"type":"WEB","url":"https://www.gnu.org/software/libextractor/"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T01:16:54.967"}}