Out-of-bounds Read in Libyal Libesedb
CVE-2026-111147
Libyal libesedb through 20260704 contains a heap out-of-bounds read vulnerability in libesedb_record_get_multi_value() that allows attackers to read past buffers via unbounded multi-value offset tables. Attackers can supply a crafted ESE/EDB database processed by esedbexport to crash the application or expose up to about 32 KiB of adjacent heap memory.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind-pwn/libesedb-multi-value-offset-table-oob-read (technical-description, exploit)
- github.com/libyal/libesedb/blob/cf49b6d420d4a44dcd6355bc0d6b36f9f580f350/libese… (technical-description)
- github.com/libyal/libesedb (product)
- www.vulncheck.com/advisories/libyal-libesedb-through-20260704-heap-out-of-bound… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111147?
- CVE-2026-111147 is a medium-severity vulnerability in Libyal Libesedb, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-10-15.
- How severe is CVE-2026-111147?
- Medium severity. CVSS v3 base score is 6.1 out of 10.