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Node.js < 22.23.4, < 24.22.1, < 26.12.1 - Out-of-Bounds Write in the Bundled Brotli Decoder leading to Remote Code Execution

🗓️ 21 Oct 2026 17:13:00Reported by Matteo CollinaType 
patchstack
 patchstack
🔗 patchstack.com

Out-of-Bounds Write in the Bundled Brotli Decoder in Node.js leading to RCE.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-111497
21 Oct 202600:00
–alpinelinux
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CVE-2026-111497
21 Oct 202606:23
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CVE-2026-111497
21 Oct 202600:00
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Wednesday, October 21, 2026 Security Releases
21 Oct 202600:00
–nodejsblog
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PT-2026-120548
21 Oct 202600:00
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ptsecurity
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PT-2026-120549
21 Oct 202600:00
–ptsecurity
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PT-2026-120550
21 Oct 202600:00
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ptsecurity
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PT-2026-120551
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PT-2026-120553
21 Oct 202600:00
–ptsecurity
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Node
npmnode.jsRange≤22.23.4

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21 Oct 2026 17:13Current
5.9Medium risk
Vulners AI Score5.9
0