GNU libextractor before 1.15 Stack Overflow via OLE2
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-91752
PublishedGNU 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-91752 · CVE overview and exploitation status
cve-program · CVE-2026-91752
- 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
This historical advisory does not include today's related changes. Open the latest advisory to find current connections.