CVE-2023-26924 Denial of service in n/a

Medium 5.5 Published 27 Mar 2023 Updated 19 Feb 2025

A segmentation fault in LLVM's MLIR component allows attackers to cause a denial of service via malicious input files.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-26924?

CVE-2023-26924 is a medium-severity denial of service vulnerability in n/a, published on 27 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

LLVM a0dab4950 has a segmentation fault in mlir::outlineSingleBlockRegion. NOTE: third parties dispute this because the LLVM security policy excludes "Language front-ends ... for which a malicious input file can cause undesirable behavior."

Weakness: CWE-120

Which versions are affected by CVE-2023-26924?

It affects 1 product.

Products include Llvm Llvm.

How do I fix CVE-2023-26924?

No fix has been published for CVE-2023-26924 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-26924 being exploited?

There is no known exploitation of CVE-2023-26924 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-26924, GHSA-472h-pprq-pg3p.