CVE-2026-111159

Impact

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.

Affected packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

References

• NVD record
• CVE.org record
• https://github.com/libyal/libewf
• https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L362-L408
• https://github.com/libyal/libewf/blob/d76fd0bb21601e2969bc88ffdaeb861023f6a5b2/libewf/libewf_lef_extended_attribute.c#L456-L560
• https://hackmd.io/@haind-pwn/libewf-lef-extended-attribute-utf16-size-oob-read
• https://www.vulncheck.com/advisories/libewf-through-20260924-heap-out-of-bounds-read-via-l01-extended-attribute-parsing