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Bug#1126784: pypy3: CVE-2025-12084

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Source: pypy3
Version: 7.3.20+dfsg-4
Severity: important
Tags: security upstream
Forwarded: https://github.com/python/cpython/issues/142145
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: clone -1 -2
Control: reassign -2 src:jython 2.7.3+repack1-1
Control: retitle -2 jython: CVE-2025-12084

Hi,

The following vulnerability was published for pypy3/jython.

CVE-2025-12084[0]:
| When building nested elements using xml.dom.minidom methods such as
| appendChild() that have a dependency on _clear_id_cache() the
| algorithm is quadratic. Availability can be impacted when building
| excessively nested documents.


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-2025-12084
    https://www.cve.org/CVERecord?id=CVE-2025-12084
[1] https://github.com/python/cpython/issues/142145

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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Bug#1126784: pypy3: CVE-2025-12084 Salvatore Bonaccorso <carnil@debian.org> - 2026-02-01 11:30 +0100

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