CVE-2026-116729

LowCVSS 3.3/10Last modified Nov 2, 2026

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.

Metrics

CVSS 3.1 3.3/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
libyal	libfvde	<= 20260923

References

Timeline

Published: Oct 26, 2026
Last modified: Nov 2, 2026
NVD status: Deferred

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