CVE-2023-29942

Name: CVE-2023-29942
Creator: NVD / NIST
Published: 2023-05-05T15:15:09.97+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2023-29942 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::Type::isa<mlir::LLVM::LLVMVoidType.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::Type::isa<mlir::LLVM::LLVMVoidType.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.22%

12.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Llvm	Llvm	2023-01-12

References

https://github.com/llvm/llvm-project/issues/59990Issue Tracking, Patch
https://github.com/llvm/llvm-project/issues/59990Issue Tracking, Patch

Timeline

Published: May 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-29942?

llvm-project commit a0138390 was discovered to contain a segmentation fault via the component mlir::Type::isa<mlir::LLVM::LLVMVoidType.

How severe is CVE-2023-29942?

CVE-2023-29942 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2023-29942?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-29942?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST