> CVE-2026-13574 [LOW]

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PUBLISHED
2026-06-29 15:16
MODIFIED
2026-06-29 15:16
CVSS_SCORE V3
1.9
EPSS (Prob. Exploit)
0.17%
Top 93.6%
DATA SOURCES:
NVD 🔗 2026-06-29 RED HAT 🔗 2026-07-05 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25

> 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_PRODUCTS

Red Hat - Red Hat Hardened Images
Version: 21.1.8

> CVSS V3 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/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

> MÉTRIQUES CVSS DÉTAILLÉES

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/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
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Local (L)
Exploit nécessite un accès local au système
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
Low (L)
Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
Low
Interruption partielle du service possible

> WEAKNESSES

CWE-119 CWE-122

> CWE DETAILED DESCRIPTIONS

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. | CWE-122: Heap-based Buffer Overflow - The product writes past the end of a buffer that was allocated on the heap.

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Low

> HISTORIQUE DES MODIFICATIONS

Première apparition
29/06/2026 15:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buff...
Nouvelle valeur:
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buff...
📊 ENRICHISSEMENT 05/07/2026 05:00
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Low", "severity_scale": null }
📊 ENRICHISSEMENT 05/07/2026 05:00
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer - The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buff...
Total des modifications: 4 Dernière mise à jour: 5 days ago

> REFERENCES

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
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