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Bug#1126779: python3.14

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Source: python3.14
Version: 3.14.2-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/python/cpython/issues/143925
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: clone -1 -2 -3
Control: reassign -2 src:python3.13 3.13.11-1
Control: retitle -2 python3.13: CVE-2025-15282
Control: reassign -3 src:pypy3 7.3.20+dfsg-4
Control: retitle -3 pypy3: CVE-2025-15282

Hi,

The following vulnerability was published for python3.14.

CVE-2025-15282[0]:
| User-controlled data URLs parsed by urllib.request.DataHandler allow
| injecting headers through newlines in the data URL mediatype.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-15282
    https://www.cve.org/CVERecord?id=CVE-2025-15282
[1] https://github.com/python/cpython/issues/143925
[2] https://mail.python.org/archives/list/security-announce@python.org/thread/X66HL7SISGJT33J53OHXMZT4DFLMHVKF/

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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Bug#1126779: python3.14 Salvatore Bonaccorso <carnil@debian.org> - 2026-02-01 11:20 +0100

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