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.
Слабость
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.
Источники
- https://git.gnunet.org/gnunet/libextractor/commit/04004eb19033e093938138b09befdf31e71e8522.html
- https://git.gnunet.org/gnunet/libextractor/commit/2781c7e9095f4ddaff4f535d69342f3903b18422.html
- https://github.com/Haitam-lazaar/libextractor-ole2-rce
- https://www.gnu.org/software/libextractor/
- https://www.vulncheck.com/advisories/gnu-libextractor-before-1.15-stack-overflow-via-ole2
- http://www.openwall.com/lists/oss-security/2026/09/16/16
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