Low severity3.3NVD Advisory· Published Oct 26, 2026
CVE-2026-116729
CVE-2026-116729
Description
libfvde through 20260923 contains a heap out-of-bounds read vulnerability in libfvde_encrypted_metadata_read_type_0x001a() caused by an unbounded strlen on embedded XML plist data. Attackers can supply a crafted FileVault 2 volume with non-NUL-terminated plist data, causing libfvde_volume_open() to read past the heap block buffer.
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Affected products
1Patches
Vulnerability mechanics
References
5- github.com/libyal/libfvde/blob/20260923/libfvde/libfvde_encrypted_metadata.cnvd
- github.com/libyal/libfvde/commit/c2676fe49d0da44d66e7d750e72c57d2670f0b8fnvd
- github.com/libyal/libfvde/issues/70nvd
- hackmd.io/@haindpwn/libfvde-encrypted-metadata-oob-readnvd
- www.vulncheck.com/advisories/libfvde-through-20260923-heap-out-of-bounds-read-via-libfvde-encrypted-metadata-read-type-0x001anvd
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