Vulnerability Description
A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. There are still doubts about whether this vulnerability truly exists. The LLVM project explains, that the reported behavior is outside its documented security scope and therefore not considered a security vulnerability.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/llvm/llvm-project/
- https://github.com/llvm/llvm-project/issues/199191
- https://github.com/user-attachments/files/28142619/poc.zip
- https://vuldb.com/cve/CVE-2026-13574
- https://vuldb.com/submit/844468
- https://vuldb.com/vuln/374582
- https://vuldb.com/vuln/374582/cti
- https://github.com/llvm/llvm-project/issues/199191
FAQ
What is CVE-2026-13574?
CVE-2026-13574 is a vulnerability with a CVSS score of 3.3 (LOW). A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handle...
How severe is CVE-2026-13574?
CVE-2026-13574 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-13574?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.