CVE-2026-116729 | BDVDB-2026-396116 Detail
libyallibfvde
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: local.
Weaknesses#
- CWE-125 Out-of-bounds Read
References#
- https://github.com/libyal/libfvde/issues/70
- https://github.com/libyal/libfvde
- https://github.com/libyal/libfvde/commit/c2676fe49d0da44d66e7d750e72c57d2670f0b8f
- https://github.com/libyal/libfvde/blob/20260923/libfvde/libfvde_encrypted_metadata.c#L2786-L2792
- https://hackmd.io/@haindpwn/libfvde-encrypted-metadata-oob-read
- https://www.vulncheck.com/advisories/libfvde-through-20260923-heap-out-of-bounds-read-via-libfvde-encrypted-metadata-read-type-0x001a
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.