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[GHSA-qhr6-mgqr-mchm] Vyper's concat() builtin may elide side-effects for zero-length arguments - #11020
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…ts for zero-length arguments
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November 9, 2026 03:52
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🟢 Approval recommended
The advisory metadata now identifies Vyper 0.4.2 as the patched release and aligns the affected-version range, with no active review issues remaining.
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What changed in this PR
Updates the Vyper concat() security advisory to identify version 0.4.2 as the first patched release.
Changes:
- Replaces
last_affected: 0.4.2rc1withfixed: 0.4.2. - Aligns the affected-version range with the documented patch release.
This pull request requires changes.
| File | Description |
|---|---|
advisories/github-reviewed/2025/05/GHSA-qhr6-mgqr-mchm/GHSA-qhr6-mgqr-mchm.json |
Updates the Vyper package’s patched version metadata. |
Review effort: Lite (auto)
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Updates
Comments
Sets the patched version to 0.4.2 (replacing
last_affected: 0.4.2rc1). The fix referenced by this advisory, PR #4644 (merge commit e463acd), is contained in tag v0.4.2 but not in v0.4.2rc1 (GitHub compare:ahead/behind), and PyPI has no release between them (0.4.2 published 2025-05-31). The v0.4.2 release notes list #4644 under bugfixes and this advisory's title under "Patched security advisories" (https://github.com/vyperlang/vyper/blob/v0.4.2/docs/release-notes.rst; the GHSA link next to the title points to a 0.4.1 advisory by mistake), and the maintainer advisory (GHSA-qhr6-mgqr-mchm) lists 0.4.2 as patched.