Medium [CVE-2026-63729] Heap use-after-free allows arbitrary code execution via malformed file
This medium-severity Red Hat Linux advisory covers CVE-2026-63729.
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Summary
Heap use-after-free allows arbitrary code execution via malformed file. Red Hat rates this moderate (CVSS 6.6).
Weakness: CWE-825.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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