> CVE-2026-11972 [HIGH]

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PUBLISHED
2026-06-23 23:16
MODIFIED
2026-06-23 23:16
CVSS_SCORE V3
8.2
EPSS (Prob. Exploit)
0.72%
Top 46.2%
DATA SOURCES:
NVD 🔗 2026-06-24 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 OSV 🔗 2026-11-02 MSRC 🔗 2026-11-02

> DESCRIPTION

When using the "tarfile" module with a file opened in "streaming mode" (mode="r|") the tarfile module did not properly handle EOF, meaning an archive could be parsed in an infinite loop.

> 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:H/SC:N/SI:N/SA:N/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:H/SC:N/SI:N/SA:N/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
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

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

> WEAKNESSES

CWE-252 CWE-606 CWE-770

> CWE DETAILED DESCRIPTIONS

CWE-252: Unchecked Return Value - The product does not check the return value from a method or function. | CWE-606: Unchecked Input for Loop Condition - The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping. | CWE-770: Allocation of Resources Without Limits or Throttling - The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available.
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available.
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available.
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available.
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available.
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

tarfile opened in streaming mode mishandles EOF

AFFECTED PACKAGES:
Unknown / Unknown
198 versions affected
ALIASES:
BIT-libpython-2026-11972, BIT-python-2026-11972, BIT-python-min-2026-11972, PSF-2026-31

> HISTORIQUE DES MODIFICATIONS

Première apparition
23/06/2026 23:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-252: Unchecked Return Value - The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. | CWE-606: Unchecked Inpu...
Nouvelle valeur:
CWE-252: Unchecked Return Value - The product does not check the return value from a method or function. | CWE-606: Unchecked Input for Loop Condition - The product does not properly check inputs that...
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-252: Unchecked Return Value - The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. | CWE-606: Unchecked Inpu...
Total des modifications: 2 Dernière mise à jour: 5 days ago

> REFERENCES

https://github.com/python/cpython/issues/151981
https://github.com/python/cpython/pull/151982
https://mail.python.org/archives/list/[email protected]/thread/AXPSKK...
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