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CVE-2025-4820: Allocation of Resources Without Limits or Throttling

🗓️ 18 Jun 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unauthenticated remote DoS in Cloudflare quiche via opportunistic ACK attack.

Related
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
quiche -- Multiple vulnerabilities
18 Jun 202500:00
–freebsd
alpinelinux
AlpineLinux
CVE-2025-4820
18 Jun 202515:45
–alpinelinux
circl
Circl
CVE-2025-4820
18 Jun 202516:30
–circl
cnnvd
CNNVD
quiche 安全漏洞
18 Jun 202500:00
–cnnvd
cve
CVE
CVE-2025-4820
18 Jun 202515:45
–cve
cvelist
Cvelist
CVE-2025-4820 Incorrect congestion window growth by optimistic ACK
18 Jun 202515:45
–cvelist
euvd
EUVD
EUVD-2025-18652
3 Oct 202520:07
–euvd
nessus
Tenable Nessus
FreeBSD : quiche -- Multiple vulnerabilities (7b0cbc73-9955-11f0-b6e2-6805ca2fa271)
26 Sep 202500:00
–nessus
nvd
NVD
CVE-2025-4820
18 Jun 202516:15
–nvd
ptsecurity
Positive Technologies
PT-2025-26172 · Quiche · Quiche
18 Jun 202500:00
–ptsecurity
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06 Nov 2025 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00864
SSVC
0