libewf through 20260924 contains a heap out-of-bounds read vulnerability in libewf_lef_extended_attribute_read_data() because UTF-16 name and value sizes are validated before being doubled. Attackers can supply a crafted .L01/.Lx01 file with oversized 'ea' metadata counts to crash the application or leak uninitialized heap memory through extended attributes.
History

Mon, 26 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 19 Oct 2026 13:15:00 +0000

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

Thu, 15 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description libewf through 20260924 contains a heap out-of-bounds read vulnerability in libewf_lef_extended_attribute_read_data() because UTF-16 name and value sizes are validated before being doubled. Attackers can supply a crafted .L01/.Lx01 file with oversized 'ea' metadata counts to crash the application or leak uninitialized heap memory through extended attributes.
Title libewf through 20260924 Heap Out-of-Bounds Read via L01 Extended Attribute Parsing
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-15T18:57:47.615Z

Updated: 2026-10-26T13:57:57.611Z

Reserved: 2026-10-15T17:04:03.065Z

Link: CVE-2026-111159

cve-icon Vulnrichment

Updated: 2026-10-26T13:57:53.989Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T19:17:30.960

Modified: 2026-10-26T15:16:37.787

Link: CVE-2026-111159

cve-icon Redhat

No data.