What’s Vulnerable › Vulnerabilities
CVE-2026-13573: llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow
- Severity: low (CVSS 3.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-29 · updated 2026-10-25
- Weakness: CWE-119
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.
Affected products
- llvm-project: 22.1.0, 22.1.1, 22.1.2, 22.1.3, 22.1.4, 22.1.5 (+1)
References
- https://github.com/llvm/llvm-project/
- https://github.com/llvm/llvm-project/issues/199187
- https://github.com/user-attachments/files/28141697/poc.zip
- https://vuldb.com/cve/CVE-2026-13573
- https://vuldb.com/submit/844457
- https://vuldb.com/vuln/374581
- https://vuldb.com/vuln/374581/cti
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