CVE-2026-13574

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

LOW
3.3
CVSS Score
Published: June 29, 2026 at 02:15 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
1 product affected across 1 vendorLlvm

Using llvm-project by llvm?

Get instant alerts when new vulnerabilities affect llvm-project - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/374582
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/374582/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-13574
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/844468

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card