CVE-2026-13573
llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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 project was informed of the problem early through an issue report but has not responded yet.
| CWE | CWE-121 CWE-119 |
| Vendor | llvm |
| Product | llvm-project |
| Published | Jun 29, 2026 |
| Last Updated | Jun 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
llvm / llvm-project
22.1.0 22.1.1 22.1.2 22.1.3 22.1.4 22.1.5 22.1.6
References
vuldb.com: https://vuldb.com/vuln/374581 vuldb.com: https://vuldb.com/vuln/374581/cti vuldb.com: https://vuldb.com/cve/CVE-2026-13573 vuldb.com: https://vuldb.com/submit/844457 github.com: https://github.com/llvm/llvm-project/issues/199187 github.com: https://github.com/user-attachments/files/28141697/poc.zip github.com: https://github.com/llvm/llvm-project/
Credits
🔍 TYGLS (VulDB User) VulDB CNA Team