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chore(deps): update dependency dnspython to v2.9.0 [security] - #424
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This PR contains the following updates:
2.8.0→2.9.0dnspython dns.name.from_wire_parser() excessive CPU use
CVE-2026-114605 / GHSA-45c3-73f7-pv4m
More information
Details
Impact
A maliciously crafted DNS message may cause dns.name.from_wire_parser() to use excessive CPU for DNS name decompression. Applications that process untrusted DNS wire form messages with dnspython may be degraded or DoS'd by the extra CPU use required.
Patches
This problem is fixed in dnspython 2.9.0.
Workarounds
There are no known workarounds.
Credit
Evgenios Gkritsis, Department of Informatics, University of Piraeus & Athena Research Center, Greece
Constantinos Patsakis, Department of Informatics, University of Piraeus & Athena Research Center, Greece
George Stergiopoulos, Department of Informatics, Athens University of Economics and Business, Greece
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Release Notes
rthalley/dnspython (dnspython)
v2.9.0: dnspython 2.9.0Compare Source
This release fixes a potential excessive CPU consumption issue. Thanks to Evgenios Gkritsis, Constantinos Patsakis, and George Stergiopoulos, for discovering and reporting this issue.
See What's New for details.
The minimum supported version of Python is 3.11.
My thanks to the many people who have contributed to this release. Also thanks to my co-maintainers: Nicki Křížek, Petr Špaček, and Brian Wellington.
This release was published to PyPI using Trusted Publishing.
Configuration
📅 Schedule: (UTC)
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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