PT-2026-51603 · Python · Python

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CVE-2026-11972

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Published

2026-06-23

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Updated

2026-08-28

CVSS v4.0

8.2

High

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Python (affected versions not specified)
Description The tarfile module fails to properly handle the End of File (EOF) when a file is opened in streaming mode (mode="r|"). This can lead to a situation where an archive is parsed in an infinite loop.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Unchecked Return Value

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

AZL-91248
BIT-LIBPYTHON-2026-11972
BIT-PYTHON-2026-11972
BIT-PYTHON-MIN-2026-11972
CVE-2026-11972
ECHO-E70A-36E0-4574
OESA-2026-2919
OESA-2026-2920
OESA-2026-3068
OESA-2026-3069
OESA-2026-3072
OPENSUSE-SU-2026:11426-1
OPENSUSE-SU-2026:11427-1
OPENSUSE-SU-2026:11428-1
OPENSUSE-SU-2026:11429-1
OPENSUSE-SU-2026:11534-1
OPENSUSE-SU-2026:11597-1
OPENSUSE-SU-2026:21595-1
PSF-2026-31
RHSA-2026:35806
RHSA-2026:35807
RHSA-2026:35812
RHSA-2026:35813
SUSE-SU-2026:23159-1
SUSE-SU-2026:23191-1
SUSE-SU-2026:23212-1
SUSE-SU-2026:23303-1
SUSE-SU-2026:3530-1
SUSE-SU-2026:3548-1
SUSE-SU-2026:3560-1
SUSE-SU-2026:3569-1
SUSE-SU-2026:3601-1
SUSE-SU-2026:3635-1
SUSE-SU-2026:3649-1
SUSE-SU-2026:3855-1
SUSE-SU-2026:3862-1

Affected Products

Python