CVE-2026-13574

Low

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.

SeverityLow
CVSS3.3
Exploit probability—
ProductLlvm-project
PublishedJun 29, 2026
First seenJun 29, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
llvm llvm-project22.1.0, 22.1.1, 22.1.2, 22.1.3, 22.1.4, 22.1.5, 22.1.6—

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