> CVE-2025-49176 [HIGH]

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PUBLISHED
2025-06-17 15:15
MODIFIED
2025-07-07 14:15
CVSS_SCORE V3
7.3
EPSS (Prob. Exploit)
0.37%
Top 70.7%
DATA SOURCES:
NVD 🔗 2025-10-18 RED HAT 🔗 2025-10-18 CVE PROJECT 🔗 2026-01-19 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-03-01 MSRC 🔗 2026-05-01

> DESCRIPTION

A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.

> AFFECTED_PRODUCTS

Red Hat - Red Hat Enterprise Linux 10
Version: 24.1.5
Red Hat - Red Hat Enterprise Linux 8
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 8
Version: 1.15.0
Red Hat - Red Hat Enterprise Linux 9
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 9
Version: 23.2.7
Red Hat - Red Hat Enterprise Linux 9
Version: 1.14.1
Red Hat - Red Hat Enterprise Linux 9.4 Extended Update Support
Version: 22.1.9
Red Hat - Red Hat Enterprise Linux 9.4 Extended Update Support
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 9.4 Extended Update Support
Version: 1.13.1
Red Hat - Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Version: 1.20.10
Red Hat - Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Version: 1.11.0
Red Hat - Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8.2 Advanced Update Support
Version: 1.9.0
Red Hat - Red Hat Enterprise Linux 8.2 Advanced Update Support
Version: 1.20.6
Red Hat - Red Hat Enterprise Linux 7 Extended Lifecycle Support
Version: 1.20.4
Red Hat - Red Hat Enterprise Linux 7 Extended Lifecycle Support
Version: 1.8.0
Red Hat - Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Version: 1.20.10
Red Hat - Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Version: 1.11.0
Red Hat - Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Version: 1.11.0
Red Hat - Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 7.7 Advanced Update Support
Version: 1.8.0
Red Hat - Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
Version: 1.1.0
Red Hat - Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On
Version: 1.20.11
Red Hat - Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On
Version: 21.1.3
Red Hat - Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Version: 1.12.0
Red Hat - Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Version: 21.1.3

> CVSS V3 METRICS

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

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
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
Low (L)
Divulgation limitée 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
Low
Divulgation limitée d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION. Red Hat Product Security has rated this update as having a security impact of Important...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vu...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, and Red Hat...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat En...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Com...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Import...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support EXTENSION. Red Hat Product S...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Co...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Import...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Li...
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red H...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Extended Update Support EXTENSION, and Red Hat Enterpris...
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact...
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support EXTENSION. Red Hat Pr...
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Importa...
Red Hat Security Advisory: xorg-x11-server security update
An update for xorg-x11-server is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Com...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: xorg-x11-server and xorg-x11-server-Xwayland security update
An update for xorg-x11-server and xorg-x11-server-Xwayland 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...
Red Hat Security Advisory: xorg-x11-server and xorg-x11-server-Xwayland security update
An update for xorg-x11-server and xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A...
Red Hat Security Advisory: tigervnc security update
An update for tigervnc 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 Scoring System...
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
An update for xorg-x11-server-Xwayland 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 Vulnerabilit...

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

AFFECTED PACKAGES:
Unknown / Unknown
239 versions affected

> HISTORIQUE DES MODIFICATIONS

Première apparition
17/06/2025 15:15
Source: NVD
📊 ENRICHISSEMENT 18/10/2025 15:05
CVEPROJECT
Champ modifié: CVE Project
Ancienne valeur:
Non
Nouvelle valeur:
Oui
📊 ENRICHISSEMENT 18/10/2025 12:13
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 18/10/2025 12:13
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 3 Dernière mise à jour: 1 year ago
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