CVE-2023-46045 Memory corruption in n/a

High 7.8 Published Updated

An out-of-bounds read in Graphviz allows attackers to cause denial of service or disclose information via a crafted config6a file.

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-2023-46045?

CVE-2023-46045 is a high-severity memory corruption vulnerability in n/a, published on 2 Feb 2024. 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

Graphviz 2.36.0 through 9.x before 10.0.1 has an out-of-bounds read via a crafted config6a file. NOTE: exploitability may be uncommon because this file is typically owned by root.

Weakness: CWE-125

Which versions are affected by CVE-2023-46045?

It affects 1 product.

Linux distribution packages (10)
graphviz-addons SUSE:Linux Enterprise High Availability Extension 15 SP4All versions2.48.0-150400.3.3.1
graphviz-addons SUSE:Linux Enterprise High Availability Extension 15 SP5All versions2.48.0-150400.3.3.1
graphviz SUSE:Linux Enterprise Module for Basesystem 15 SP5All versions2.48.0-150400.3.3.1
graphviz-addons SUSE:Linux Enterprise Module for Desktop Applications 15 SP5All versions2.48.0-150400.3.3.1
graphviz-addons SUSE:Linux Enterprise Module for Desktop Applications 15 SP6All versions2.48.0-150400.3.3.1
graphviz-addons SUSE:Linux Enterprise Module for Development Tools 15 SP5All versions2.48.0-150400.3.3.1
graphviz-addons SUSE:Linux Enterprise Module for Package Hub 15 SP5All versions2.48.0-150400.3.3.1
graphviz-addons SUSE:Linux Enterprise Module for Server Applications 15 SP5All versions2.48.0-150400.3.3.1
graphviz openSUSE:Leap 15.5All versions2.48.0-150400.3.3.1
graphviz-addons openSUSE:Leap 15.5All versions2.48.0-150400.3.3.1

Products include Graphviz Graphviz.

How do I fix CVE-2023-46045?

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-2023-46045 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-46045 exists.

Sources

Also known as AZL-34237, AZL-34768, BELL-CVE-2023-46045, CLSA-2025-1753376162, CLSA-2026-1776698705, DEBIAN-CVE-2023-46045 and 9 more.

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