CVE-2026-13574 PUBLISHED

llvm llvm-project Bitcode File IntrinsicInst.cpp getBasePtr heap-based overflow

Assigner: VulDB
Reserved: 28.06.2026 Published: 29.06.2026 Updated: 29.06.2026

A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS Vector: 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
CVSS Score: 4.8

Product Status

Vendor llvm
Product llvm-project
Versions
  • Version 22.1.0 is affected
  • Version 22.1.1 is affected
  • Version 22.1.2 is affected
  • Version 22.1.3 is affected
  • Version 22.1.4 is affected
  • Version 22.1.5 is affected
  • Version 22.1.6 is affected

Credits

  • TYGLS (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Heap-based Buffer Overflow CWE
  • Memory Corruption CWE