Out-of-bounds read in llvm-project - CVE-2023-29942
Published: June 6, 2025
Vulnerability identifier: #VU110232
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-29942
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A local user can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
Affected software
llvm-project
IBM Observability with Instana
IBM Observability with Instana
How to mitigate CVE-2023-29942
Install updates from vendor's website.
llvm-project - update to 17.0.0
IBM Observability with Instana - update to 1.0.297
IBM Observability with Instana - update to 1.0.297