CVE-2026-111142 Zziplib through 0.13.80 Out-of-Bounds Read via zzip_disk_findfirst
Attackers can cause application crashes or leak heap memory by crafting a malicious ZIP file processed by the zziplib library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111142?
CVE-2026-111142 is a medium-severity memory corruption vulnerability in gdraheim zziplib, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Zziplib through 0.13.80 contains an out-of-bounds read vulnerability in zzip/mmapped.c that allows attackers to over-read heap memory via a crafted ZIP central directory. Attackers can craft an end-of-central-directory record placing the first entry near the buffer end, causing zzip_disk_entry_strdup_name to read past the buffer and crash the application.
Weakness: CWE-125
Which versions are affected by CVE-2026-111142?
How do I fix CVE-2026-111142?
No fix has been published for CVE-2026-111142 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-111142 being exploited?
There is no known exploitation of CVE-2026-111142 in the wild and no public exploit code.
Sources
Also known as AZL-108272, DEBIAN-CVE-2026-111142, ECHO-6843-2581-b5be, GHSA-5xjw-pf8f-qr57, UBUNTU-CVE-2026-111142.