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[GHSA-xvcm-6775-5m9r] Immutable: Hash-collision algorithmic complexity denial of service in Immutable.Map/Set - #9307

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ravali-ch15-GHSA-xvcm-6775-5m9r
Sep 3, 2026
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[GHSA-xvcm-6775-5m9r] Immutable: Hash-collision algorithmic complexity denial of service in Immutable.Map/Set#9307
advisory-database[bot] merged 1 commit into
ravali-ch15/advisory-improvement-9307from
ravali-ch15-GHSA-xvcm-6775-5m9r

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The maintainers officially backported the fix for CVE-2026-59880 to the legacy 3.x branch line and released it in version 3.8.4. Verifiable release notes can be found here: https://github.com/immutable-js/immutable-js/releases/tag/v3.8.4

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github commented Sep 2, 2026

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Hi there @jdeniau! A community member has suggested an improvement to your security advisory. If approved, this change will affect the global advisory listed at github.com/advisories. It will not affect the version listed in your project repository.

This change will be reviewed by our Security Curation Team. If you have thoughts or feedback, please share them in a comment here! If this PR has already been closed, you can start a new community contribution for this advisory

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github-actions Bot changed the base branch from main to ravali-ch15/advisory-improvement-9307 September 2, 2026 05:37
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advisory-database Bot merged commit 0594e71 into ravali-ch15/advisory-improvement-9307 Sep 3, 2026
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Hi @ravali-ch15! Thank you so much for contributing to the GitHub Advisory Database. This database is free, open, and accessible to all, and it's people like you who make it great. Thanks for choosing to help others. We hope you send in more contributions in the future!

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advisory-database Bot deleted the ravali-ch15-GHSA-xvcm-6775-5m9r branch September 3, 2026 16:38
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3 participants