P4Verified

CVE-2026-111133: libfsapfs 0 through 20260921

CVE-2026-111133. CVSS 3.1 base score 6.1 (MEDIUM, Vendor/CNA).

Affected technology

libfsapfs · 0 through 20260921
libyal

Description’s affected range: through 20260921

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

Attackers can supply a crafted encrypted APFS image with malformed HMAC or wrapped KEK attribute lengths to crash fsapfsinfo, pyfsapfs, dfVFS or plaso and read adjacent heap memory before password checks. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity impact as none; availability impact as high.

Published 15-Oct-2026 20:21 UTC

CWE: CWE-125
CCR priority: 24.4 /100 (P4)
CVSS 3.1: 6.1 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-15 20:17:11.213245+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-111133.html