llvm-project a0138390 LLVMVoidType memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in llvm-project a0138390. It has been classified as critical. The affected element is the function mlir::Type::isa<mlir::LLVM::LLVMVoidType. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2023-29942. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in llvm-project a0138390 (Project Management Software). This affects the function mlir::Type::isa. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was published 05/05/2023 as 59990. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-29942 since 04/07/2023. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 233494 (CBL Mariner 2.0 Security Update: clang16 (CVE-2023-29942)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (233494) and EUVD (EUVD-2023-33472). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 233494
Nessus Name: CBL Mariner 2.0 Security Update: clang16 (CVE-2023-29942)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2023 🔍
05/05/2023 +28 days 🔍
05/05/2023 +0 days 🔍
12/16/2025 +956 days 🔍

Sourcesinfo

Advisory: 59990
Status: Confirmed

CVE: CVE-2023-29942 (🔍)
GCVE (CVE): GCVE-0-2023-29942
GCVE (VulDB): GCVE-100-228135
EUVD: 🔍

Entryinfo

Created: 05/05/2023 19:44
Updated: 12/16/2025 23:33
Changes: 05/05/2023 19:44 (16), 05/28/2023 13:00 (32), 01/30/2025 10:19 (24), 03/29/2025 18:52 (2), 04/26/2025 07:06 (3), 12/16/2025 23:33 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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