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GHSA-G9MF-H72J-4RW9 Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

🗓️ 14 Jan 2026 21:06:08Reported by GoogleType 
osv
 osv🔗 osv.dev👁 2 Views

Undici unbounded Content-Encoding chain in HTTP responses causes resource exhaustion in Node.js fetch.

Related
Refs
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IBM Security Bulletins		Security Bulletin: IBM Automation Decision Services for June 2026- Multiple CVEs addressed
14 Jul 202606:59
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IBM Security Bulletins		Security Bulletin: Vulnerability in Undici affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
4 May 202614:26
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IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in IBM Business Automation Manager Open Editions
31 Mar 202612:18
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in Undici affects IBM watsonx Orchestrate with watsonx Assistant Cartridge
23 Mar 202619:47
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate with watsonx Assistant Cartridge
18 May 202606:56
–ibm
IBM Security Bulletins		Security Bulletin: Decompression Bomb Vulnerability in Undic, affects watsonx.data
10 Apr 202605:33
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in undici bundled with IBM Fusion, IBM Fusion HCI, and IBM Fusion Content-Aware Storage
13 Jul 202619:40
–ibm
IBM Security Bulletins		Security Bulletin: Due to use of NodeJS, IBM Cloud Pak System is affected by multiple vulnerabilities
13 Jul 202621:32
–ibm
ATTACKERKB		CVE-2026-22036
14 Jan 202619:07
–attackerkb
Tenable Nessus		Amazon Linux 2023 : nodejs24, nodejs24-devel, nodejs24-full-i18n (ALAS2023-2026-1404)
5 Feb 202600:00
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04 Feb 2026 02:56Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.9
EPSS0.00433
undicicontent encoding chainweb responsesresource exhaustiondecompression
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