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THREAT OPS › Threat News › [GHSA] GHSA-rgj7-g3m4-5g8c (high) — sharp: Vulnerabilities in libheif: GHSA-g89c-p67h-r497 and GHSA-2jg2-4ch7-h545

[GHSA] GHSA-rgj7-g3m4-5g8c (high) — sharp: Vulnerabilities in libheif: GHSA-g89c-p67h-r497 and GHSA-2jg2-4ch7-h545

medgithub_advisoriesPublished 2026-09-08

GHSA-rgj7-g3m4-5g8c Severity: high CVE: None

sharp: Vulnerabilities in libheif: GHSA-g89c-p67h-r497 and GHSA-2jg2-4ch7-h545

### Impact A number of vulnerabilities, two rated as "Critical" severity using CVSSv3, have been discovered and fixed in the upstream libheif dependency. These can lead to possible remote code execution (RCE) on glibc-based Linux when run under certain conditions.

The atta

MITRE ATT&CK techniques

VulnerabilitiesT1588.006

Indicators of compromise

CVE-2026-84383cve

Original source: https://github.com/advisories/GHSA-rgj7-g3m4-5g8c