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undici vulnerable to Denial of Service via unbounded memory in the EventSource parser

🗓️ 23 Oct 2026 22:13:29Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

DoS in undici EventSource parser via unbounded memory usage from a malicious peer.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-109924
15 Oct 202618:28
–circl
cve
CVE
CVE-2026-109924
15 Oct 202618:16
–cve
cvelist
Cvelist
CVE-2026-109924 undici vulnerable to Denial of Service via unbounded memory in the EventSource parser
15 Oct 202618:16
–cvelist
debiancve
Debian CVE
CVE-2026-109924
15 Oct 202618:16
–debiancve
euvd
EUVD
EUVD-2026-102249
23 Oct 202622:13
–euvd
mend
Mend
CVE-2026-109924
15 Oct 202618:16
–mend
nvd
NVD
CVE-2026-109924
15 Oct 202619:17
–nvd
osv_cleanstart
osv_cleanstart
CLEANSTART-2026-XE59858 undici is an HTTP client library for Node
24 Oct 202600:36
–osv_cleanstart
osv_debian
osv_debian
DEBIAN-CVE-2026-109924
15 Oct 202619:17
–osv_debian
osv_ghsa
osv_ghsa
GHSA-4QV8-2P9J-2685 undici vulnerable to Denial of Service via unbounded memory in the EventSource parser
23 Oct 202622:13
–osv_ghsa
Rows per page
Vulners
Node
OR
nodejsundiciRange8.0.0–8.12.2npm
nodejsundiciRange7.0.0–7.30.1npm
nodejsundiciRange6.5.0–6.29.1npm

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23 Oct 2026 22:13Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.9 - 7.5
EPSS0.00321
SSVC
3