Is CVE-2026-111159 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-111159?

CVE-2026-111159 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-111159

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.