CVE-2026-13574

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.

CVSS v3 3.3 LOW
CVSS v2.0 1.7 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

1.7^/10

CVSS v2.0 : LOW

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

Exploitability : 3.1 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

No configuration.

History

29 Jun 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 15:16

Updated : 2026-06-29 18:46

NVD link : CVE-2026-13574

Mitre link : CVE-2026-13574

CVE.ORG link : CVE-2026-13574

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-122

Heap-based Buffer Overflow

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