> CVE-2026-16238 [HIGH]

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PUBLISHED
2026-08-13 13:17
MODIFIED
2026-08-13 13:17
CVSS_SCORE V3
8.8
EPSS (Prob. Exploit)
0.41%
Top 65.3%
DATA SOURCES:
NVD 🔗 2026-08-13 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 MSRC 🔗 2026-09-01

> DESCRIPTION

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.5 are affected. Versions before PostgreSQL 18 are unaffected.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EXPLOITABILITY
2.8
IMPACT
5.9

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
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
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-843

> CWE DETAILED DESCRIPTIONS

CWE-843: Access of Resource Using Incompatible Type - The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: postgresql18 security update
An update for postgresql18 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Sy...
Red Hat Security Advisory: postgresql:18 security update
An update for the postgresql:18 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

> HISTORIQUE DES MODIFICATIONS

Première apparition
13/08/2026 13:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') - The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses th...
Nouvelle valeur:
CWE-843: Access of Resource Using Incompatible Type - The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a...
📊 ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') - The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses th...
Total des modifications: 2 Dernière mise à jour: 5 hours ago

> REFERENCES

https://www.postgresql.org/support/security/CVE-2026-16238/
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