Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck
CVE-2026-111147Libyal libesedb through 20260704 Heap Out-of-Bounds Read via libesedb_record_get_multi_value
Medium 6.1
In plain English
A medium-severity out-of-bounds read in libesedb from libyal. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.1%top 97.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libesedb | no fix listed | DEBIAN-CVE-2026-111147 |
| Debian:13 | libesedb | no fix listed | DEBIAN-CVE-2026-111147 |
| Debian:14 | libesedb | no fix listed | DEBIAN-CVE-2026-111147 |
| Ubuntu:22.04:LTS | libesedb | no fix listed | UBUNTU-CVE-2026-111147 |
| Ubuntu:24.04:LTS | libesedb | no fix listed | UBUNTU-CVE-2026-111147 |
| Ubuntu:26.04:LTS | libesedb | no fix listed | UBUNTU-CVE-2026-111147 |
| Ubuntu:26.10 | libesedb | no fix listed | UBUNTU-CVE-2026-111147 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
References
- https://hackmd.io/@haind-pwn/libesedb-multi-value-offset-table-oob-read technical-description, exploit
- https://github.com/libyal/libesedb/blob/cf49b6d420d4a44dcd6355bc0d6b36f9f580f350/libesedb/libesedb_record.c#L3776-L3830 technical-description
- https://github.com/libyal/libesedb product
- VulnCheck Advisory: Libyal libesedb through 20260704 Heap Out-of-Bounds Read via libesedb_record_get_multi_value third-party-advisory