CVE-2023-46363 Memory corruption in n/a

Medium 5.5 Published 8 Nov 2023 Updated 4 Sep 2024

A segmentation fault in jbig2enc allows attackers to cause a denial of service via crafted input.

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: Available

What is CVE-2023-46363?

CVE-2023-46363 is a medium-severity memory corruption vulnerability in n/a, published on 8 Nov 2023. 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

jbig2enc v0.28 was discovered to contain a SEGV via jbig2_add_page in src/jbig2enc.cc:512.

Weakness: CWE-120

Which versions are affected by CVE-2023-46363?

It affects 1 product.

Products include Jbig2enc Project Jbig2enc.

How do I fix CVE-2023-46363?

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-2023-46363 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-46363 exists.

Sources

Also known as DEBIAN-CVE-2023-46363, GHSA-52gq-6r3g-qrmr, UBUNTU-CVE-2023-46363.