CVE-2026-111159CWE-125

CVE-2026-111159

Medium · published October 15, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
2.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
CVSS v4.0
6.9 · 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
EPSS
0.00129 · 2.3th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-10-15T23:17Z
References (5)
https://github.com/libyal/libewf · [email protected]https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L362-L408 · [email protected]https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L456-L560 · [email protected]https://hackmd.io/@haind-pwn/libewf-lef-extended-attribute-utf16-size-oob-read · [email protected]https://www.vulncheck.com/advisories/libewf-through-20260924-heap-out-of-bounds-read-via-l01-extended-attribute-parsing · [email protected]
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 15 OCT 18:57Z
    libewf through 20260924 Heap Out-of-Bounds Read via L01 Extended Attribute Parsing
    cvelistv5
  • 15 OCT 18:57Z
    libewf through 20260924 Heap Out-of-Bounds Read via L01 Extended Attribute Parsing
    cvelistv5