> CVE-2025-13836 [MEDIUM]

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PUBLISHED
2025-12-01 18:16
MODIFIED
2025-12-01 18:16
CVSS_SCORE V3
6.3
EPSS (Prob. Exploit)
1.63%
Top 23.9%
DATA SOURCES:
NVD 🔗 2025-12-01 RED HAT 🔗 2025-12-07 CVE PROJECT 🔗 2026-01-19 FIRST EPSS 🔗 2026-10-25 MSRC 🔗 2026-11-02

> DESCRIPTION

When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.

> AFFECTED_PRODUCTS

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

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/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:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/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
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
None (N)
Aucune authentification requise
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

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: python3.12 security update
An update for python3.12 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System...
Red Hat Security Advisory: python3.11 security update
An update for python3.11 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System...
Red Hat Security Advisory: python3.11 security update
An update for python3.11 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System...
Red Hat Security Advisory: python3.12 security update
An update for python3.12 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring Syste...
Red Hat Security Advisory: python3.11 security update
An update for python3.11 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 Moderate. A...
Red Hat Security Advisory: python3.11 security update
An update for python3.11 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 Moderate. A Common Vu...
Red Hat Security Advisory: python3.11 security update
An update for python3.11 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vu...
Red Hat Security Advisory: python3.11 security update
An update for python3.11 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 Securi...
Red Hat Security Advisory: python3.12 security update
An update for python3.12 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common V...
Red Hat Security Advisory: python3.12 security update
An update for python3.12 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System...
Red Hat Security Advisory: Red Hat Update Infrastructure 5 security update
The latest release of Red Hat Update Infrastructure. For more details, see the product documentation.
Red Hat Security Advisory: python3.12 security update
An update for python3.12 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vu...
Red Hat Security Advisory: python3.12 security update
An update for python3.12 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 Moderate. A Common Vu...
Red Hat Security Advisory: Red Hat Update Infrastructure 5.1 security update
The latest release of Red Hat Update Infrastructure. For more details, see the product documentation.
Red Hat Security Advisory: Red Hat AI Inference Server Model Optimization Tools 3.3.1 (CUDA)
Red Hat AI Inference Server Model Optimization Tools 3.3.1 (CUDA) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.3.1 (CUDA)
Red Hat AI Inference Server 3.3.1 (CUDA) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.3.1 (ROCm)
Red Hat AI Inference Server 3.3.1 (ROCm) is now available.
Red Hat Security Advisory: Red Hat AI Inference Server 3.3.3 (Spyre)
Red Hat AI Inference Server 3.3.3 (Spyre) is now available.

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Moderate

> HISTORIQUE DES MODIFICATIONS

Première apparition
01/12/2025 18:16
Source: NVD
📊 ENRICHISSEMENT 19/01/2026 17:37
CVEPROJECT
Champ modifié: CVE Project
Ancienne valeur:
Non
Nouvelle valeur:
Oui
📊 ENRICHISSEMENT 07/12/2025 04:01
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Moderate", "severity_scale": null }
📊 ENRICHISSEMENT 07/12/2025 04:01
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 3 Dernière mise à jour: 9 months ago

> REFERENCES

https://github.com/python/cpython/issues/119451
https://github.com/python/cpython/pull/119454
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