CVE-2023-39742 Memory corruption in n/a

Medium 5.5 Published 25 Aug 2023 Updated 2 Oct 2024

A segmentation fault in giflib allows attackers to cause a denial of service via crafted input.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2023-39742?

CVE-2023-39742 is a medium-severity memory corruption vulnerability in n/a, published on 25 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

giflib v5.2.1 was discovered to contain a segmentation fault via the component getarg.c.

Weakness: CWE-120

Which versions are affected by CVE-2023-39742?

It affects 1 product.

Products include Giflib Project Giflib.

How do I fix CVE-2023-39742?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-39742 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39742 exists.

Sources

Also known as ALPINE-CVE-2023-39742, AZL-28091, AZL-34728, BELL-CVE-2023-39742, CLSA-2026-1776697883, DEBIAN-CVE-2023-39742 and 5 more.