disputed

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.

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. There are still doubts about whether this vulnerability truly exists. The LLVM project explains, that the reported behavior is outside its documented security scope and therefore not considered a security vulnerability.

https://github.com/llvm/llvm-project/issues/199191

{"timestamp":"2026-07-01T14:03:05.481009Z","id":"CVE-2026-13574","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

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.

AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

(AV:L/AC:L/Au:S/C:N/I:N/A:P)

CWE-119

CWE-122

https://github.com/llvm/llvm-project/

https://github.com/llvm/llvm-project/issues/199191

https://github.com/user-attachments/files/28142619/poc.zip

https://vuldb.com/cve/CVE-2026-13574

https://vuldb.com/submit/844468

https://vuldb.com/vuln/374582

https://vuldb.com/vuln/374582/cti

[{"vendor":"llvm","product":"llvm-project","cpes":["cpe:2.3:a:llvm:llvm-project:*:*:*:*:*:*:*:*"],"modules":["Bitcode File Handler"],"versions":[{"version":"22.1.0","status":"affected"},{"version":"22.1.1","status":"affected"},{"version":"22.1.2","status":"affected"},{"version":"22.1.3","status":"affected"},{"version":"22.1.4","status":"affected"},{"version":"22.1.5","status":"affected"},{"version":"22.1.6","status":"affected"}]}]