Reachable assertion in llvm-project - CVE-2023-29935
Published: June 6, 2025
Vulnerability identifier: #VU110230
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-29935
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to assertion failure at !replacements.count(op) && "operation was already replaced in the commit a0138390. A remote attacker can exploit the vulnerability to perform a denial of service attack
Affected software
llvm-project
IBM Observability with Instana
IBM Observability with Instana
How to mitigate CVE-2023-29935
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