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ALSA-2026:4713 Not scored

Moderate: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * cpython: wsgiref.headers.Headers allows header newline injection in Python (CVE-2026-0865) * cpython: IMAP command injection in user-controlled commands (CVE-2025-15366) * cpython: POP3 command injection in user-controlled commands (CVE-2025-15367) * cpython: email header injection due to unquoted newlines (CVE-2026-1299) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Exploit probability Not scored
Published March 17, 2026
Required by Not available
Last source change May 26, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:10 python-unversioned-command

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2026:4713

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fix(es): * cpython: wsgiref.headers.Headers allows header newline injection in Python (CVE-2026-0865) * cpython: IMAP command injection in user-controlled commands (CVE-2025-15366) * cpython: POP3 command injection in user-controlled commands (CVE-2025-15367) * cpython: email header injection due to unquoted newlines (CVE-2026-1299) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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05 / REFERENCES

Further evidence