CVE-2026-91752
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.
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Exploitation outlook
- Low exploitation risk0.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownGNU security advisory (AV26-923)cccs · 2026-09-15
- highCVE-2026-91752: GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the proce…nvd · 2026-09-15
External references
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