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CVE-2021-21294

🗓️ 22 May 2025 21:32:13Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 20 Views

Vulnerability in Http4s can cause denial-of-service by accepting unbounded connections leading to resource drain.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-21294
2 Feb 202122:15
–attackerkb
circl
Circl
CVE-2021-21294
3 Feb 202100:55
–circl
cnnvd
CNNVD
Http4s Blaze Resource Management Error Vulnerability
2 Feb 202100:00
–cnnvd
cve
CVE
CVE-2021-21294
2 Feb 202121:40
–cve
cvelist
Cvelist
CVE-2021-21294 Unbounded connection acceptance in http4s-blaze-server
2 Feb 202121:40
–cvelist
euvd
EUVD
EUVD-2021-0578
7 Oct 202500:30
–euvd
github
Github Security Blog
Unbounded connection acceptance in http4s-blaze-server
2 Feb 202121:42
–github
mend
Mend
CVE-2021-21294
2 Feb 202121:40
–mend
nvd
NVD
CVE-2021-21294
2 Feb 202122:15
–nvd
osv-ghsa
osv-ghsa
GHSA-XHV5-W9C5-2R2W Unbounded connection acceptance in http4s-blaze-server
2 Feb 202121:42
–osv-ghsa
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27 Mar 2026 14:58Current
6.7Medium risk
Vulners AI Score6.7
CVSS 25
CVSS 3.17.5
EPSS0.02146
20