CVE-2026-11972

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.

References

https://mail.python.org/archives/list/[email protected]/thread/AXPSKKTSRKXTTJULW3XSIC74WZNAAPPB/

https://github.com/python/cpython/pull/151982

https://github.com/python/cpython/issues/151981

Details

Source: Mitre, NVD

CVSS v4