High severity7.5NVD Advisory· Published Sep 15, 2026· Updated Sep 24, 2026
CVE-2026-91752
CVE-2026-91752
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3(expand)+ 1 more
- (no CPE)
- (no CPE)
- Range: <1.15
Patches
Vulnerability mechanics
References
5- www.openwall.com/lists/oss-security/2026/09/16/16nvd
- git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522.htmlnvd
- git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422.htmlnvd
- www.gnu.org/software/libextractor/nvd
- www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2nvd
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