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.
Published: 2026-10-26
Score: 6.8 Medium
EPSS: n/a
KEV: No
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Remediation

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History

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_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.
Title libfvde through 20260923 Heap Out-of-Bounds Read via libfvde_encrypted_metadata_read_type_0x0024
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-26T21:52:30.883Z

Reserved: 2026-10-26T20:23:34.721Z

Link: CVE-2026-116728

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-26T22:16:56.640

Modified: 2026-10-26T22:16:56.640

Link: CVE-2026-116728

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T07:30:15Z

Weaknesses