CVE-2026-111159

medium

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 v…

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.

CVSS

6.1

6.1 (CVSS v3.1)

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-10-15 19:17

Modified: 2026-10-26 15:16

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-10-27 07:03 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-125

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/libyal/libewf disclosure@vulncheck.com
https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libe... disclosure@vulncheck.com
https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libe... disclosure@vulncheck.com
https://hackmd.io/@haind-pwn/libewf-lef-extended-attribute-utf16-size-oob-read disclosure@vulncheck.com
https://www.vulncheck.com/advisories/libewf-through-20260924-heap-out-of-bounds-read-via-l... disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:03 UTC · record ↗

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