CVE-2026-13573

llvm llvm-project ValueSymbolTable ValueSymbolTable.cpp insert stack-based overflow

State
Published
Severity
4.8 Medium
Published
Jun 29, 2026
Updated
Jul 7, 2026
Reserved
Jun 28, 2026

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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.

Scores

CVSSScoreVectorSource
4.04.8 MediumCVSS: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:PVulDB
3.13.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:RVulDB
3.03.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:RVulDB
2.01.7 LowAV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:URVulDB

Weaknesses

Affected Products

ProductVersions
llvm-projectllvm
  • 22.1.0Affected
  • 22.1.1Affected
  • 22.1.2Affected
  • 22.1.3Affected
  • 22.1.4Affected
  • 22.1.5Affected
  • 22.1.6Affected

References

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