CVE-2026-13574

Public on 2026-06-29
Modified on 2026-07-01
Description
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.
Severity
Low severity
Low
See what this means
CVSS v3 Base Score
3.3
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core llvm Pending Fix
Amazon Linux 2023 llvm Pending Fix
Amazon Linux 2 - Core llvm-private Pending Fix
Amazon Linux 2023 llvm18 No Fix Planned
Amazon Linux 2023 llvm19 No Fix Planned
Amazon Linux 2023 llvm20 No Fix Planned
Amazon Linux 2 - Core llvm7.0 Pending Fix
Amazon Linux 2 - Core mesa-private-llvm Pending Fix
Amazon Linux 2 - Core rust Not Affected
Amazon Linux 2023 rust Not Affected

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L