CVE-2026-13573

Low

Description

A vulnerability was found in llvm llvm-project up to 22.1.6. This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of the component ValueSymbolTable Module. The manipulation results in stack-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The presence of this vulnerability remains uncertain at this time. 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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