CVE-2026-13574

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.

References

https://vuldb.com/vuln/374582/cti

https://vuldb.com/vuln/374582

https://vuldb.com/submit/844468

https://vuldb.com/cve/CVE-2026-13574

https://github.com/user-attachments/files/28142619/poc.zip

https://github.com/llvm/llvm-project/issues/199191

https://github.com/llvm/llvm-project/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS