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.
History

Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 17 Sep 2026 01:30:00 +0000

Type Values Removed Values Added
References

Tue, 15 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
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.
Title GNU libextractor before 1.15 Stack Overflow via OLE2
First Time appeared Gnu
Gnu libextractor
Weaknesses CWE-789
CPEs cpe:2.3:a:gnu:libextractor:*:*:*:*:*:*:*:*
Vendors & Products Gnu
Gnu libextractor
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-15T00:35:43.518Z

Updated: 2026-09-24T14:22:22.119Z

Reserved: 2026-09-14T23:08:43.492Z

Link: CVE-2026-91752

cve-icon Vulnrichment

Updated: 2026-09-17T00:17:44.453Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-15T01:16:54.967

Modified: 2026-09-24T21:04:40.340

Link: CVE-2026-91752

cve-icon Redhat

No data.