MEDIUMCVSS v3.1 6.1Vulnerability

CVE-2026-111133

libfsapfs through 20260921 contains an integer underflow in libfsapfs_key_encrypted_key_read_data() that allows attackers to trigger heap out-of-bounds reads via crafted KEK attributes. 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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.002
Cvss severity
MEDIUM
Cvss score
6.1
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
6.1
Cvss version
3.1
Cve id
CVE-2026-111133
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Published at
2026-10-15T19:17:26.957
Last modified
2026-10-16T18:25:45.343
Epss percentile
0.09336

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Read

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CVE-2026-111133 (CVSS v3.1 6.1) — Ninja Signal Threat Intelligence | Ninja Signal