VDB
CVE-2026-13573
CVE-2026-13573
PUBLISHED
CVSS 4.8 MEDIUM
Reported by VulDB · Published June 29, 2026
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.
Risk Scores
CVSS 4.0
4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| llvm | llvm-project | 22.1.0, 22.1.1, 22.1.2 |
| llvm | llvm-project | 22.1.0, 22.1.1, 22.1.2 |
Timeline
- Jun 29, 2026 CVE Published
- Jun 29, 2026 CVE Updated
- Jun 30, 2026 EPSS Score
- Jun 30, 2026 Coalition ESS Score
- Aug 24, 2026 EPSS Score
References
- VDB-374581 | llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow vdb-entrytechnical-description
- VDB-374581 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-required
- CVE-2026-13573 | CVE Analysis and Report third-party-advisory
- Submit #844457 | LLVM LLVM Project commit 3b3a3c2 Stack-based Buffer Overflow third-party-advisory
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