CVE-2026-116728 | BDVDB-2026-396115 Detail
libyallibfvde
Description#
libfvde through 20260923 contains a heap out-of-bounds read vulnerability in libfvde_encrypted_metadata_read_type_0x0024() because xml_plist_data_size is not checked against the source metadata block. Attackers can supply a crafted FileVault 2 Core Storage volume that makes libfvde_volume_open() copy past the heap block buffer, crashing the application.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. 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#L3798-L3813
- 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-0x0024
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.