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[3.14] gh-143930: Reject leading dashes in webbrowser URLs#146214

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ambv merged 1 commit intopython:3.14from
miss-islington:backport-82a24a4-3.14
Mar 23, 2026
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[3.14] gh-143930: Reject leading dashes in webbrowser URLs#146214
ambv merged 1 commit intopython:3.14from
miss-islington:backport-82a24a4-3.14

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@miss-islington miss-islington commented Mar 20, 2026

(cherry picked from commit 82a24a4)

Co-authored-by: Seth Michael Larson seth@python.org

(cherry picked from commit 82a24a4)

Co-authored-by: Seth Michael Larson <seth@python.org>
@ambv ambv merged commit 9669a91 into python:3.14 Mar 23, 2026
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@miss-islington miss-islington deleted the backport-82a24a4-3.14 branch March 23, 2026 23:16
hroncok pushed a commit to fedora-python/cpython that referenced this pull request Mar 26, 2026
Reject leading dashes in webbrowser URLs (pythonGH-146214)

(cherry picked from commit 82a24a4)

Co-authored-by: Seth Michael Larson <seth@python.org>
ihvo pushed a commit to ihvo/azurelinux that referenced this pull request Apr 24, 2026
Verified against python/cpython that every CVE patch on the 3.12 fork has a
3.14-branch backport PR that merged before 3.14.4's release on 2026-04-07:

  CVE-2026-0672 → PR python/cpython#144089 (merged 2026-01-23)
  CVE-2026-0865 → PRs python/cpython#143972 + #144761 (merged 2026-01-17 / 02-21)
  CVE-2026-1299 → PR python/cpython#144182 (merged 2026-01-25)
  CVE-2026-4519 → PRs python/cpython#146214 + #148042 (merged 2026-03-23 / 04-03)

The CVE-2025-* patches are even older and were already in 3.14.0 (GA 2025-10).
Carrying patches we don't need adds hunk-maintenance cost, rebase risk, and
auditor confusion with no upside.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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3 participants