CVE-2026-11972

HIGH EPSS 23.6%
Published Jun 23, 20261w ago · Modified Jun 24, 20261w ago
8.2 CVSS 4.0
High
Find Similar
Published Jun 23, 2026 1w ago
Last Modified Jun 24, 2026 1w ago

Description

When using the "tarfile" module with a file opened in "streaming mode" (mode="r|") the tarfile module did not properly handle EOF, making archive parsing take exponentially longer.

CVSS Details

Base Score
8.2
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 3

CWE-252
CWE-606
CWE-770

References 3

  • github.com https://github.com/python/cpython/issues/151981
  • github.com https://github.com/python/cpython/pull/151982
  • mail.python.org https://mail.python.org/archives/list/security-announce@python.org/thread/AXPSKKTSRKXTTJULW3XSIC74WZNAAPPB/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.