GNU security advisory (AV26-923)

unknownCVE-2026-91752

Serial number: AV26-923 Date: September 15, 2026 As of September 15, 2026, GNU is affected by vulnerabilities in the following product: libextractor Prior to v1.15 The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. libextractor CVE-2026-91752: GNU libextractor Stack Overflow via OLE2 GNU Libextractor

Details

Source: Canadian Centre for Cyber Security (CA · national-cert · site)
Severity: unknown
Published: 2026-09-15
Exploitation: Not in CISA KEV at last sync

Original advisory: https://cyber.gc.ca/en/alerts-advisories/gnu-security-advisory-av26-923

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-917520.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-91752	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-91752: GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the proce…nvd

GNU security advisory (AV26-923)

Details

Exploitation outlook

Referenced CVEs

Same CVEs, other sources

More from Canadian Centre for Cyber Security