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.
History

Mon, 02 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Libyal
Libyal libfvde
Vendors & Products Libyal
Libyal libfvde

Tue, 27 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
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.
Title libfvde through 20260923 Heap Out-of-Bounds Read via libfvde_encrypted_metadata_read_type_0x001a
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-26T21:52:31.564Z

Updated: 2026-11-02T18:23:30.662Z

Reserved: 2026-10-26T20:23:34.860Z

Link: CVE-2026-116729

cve-icon Vulnrichment

Updated: 2026-11-02T18:23:24.320Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T22:16:56.783

Modified: 2026-11-02T19:17:57.320

Link: CVE-2026-116729

cve-icon Redhat

No data.