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The vulnerability of the software implementing the transport protocols QUIC and HTTP/3 in CloudFlare Quiche allows attackers to cause service interruptions due to unlimited resource distribution.
🗓️ 24 Jun 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 25 Views
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | quiche -- Multiple vulnerabilities | 18 Jun 202500:00 | – | freebsd |
 | CVE-2025-4821 | 18 Jun 202515:47 | – | alpinelinux |
 | CVE-2025-4821 | 18 Jun 202516:30 | – | circl |
 | quiche 安全漏洞 | 18 Jun 202500:00 | – | cnnvd |
 | CVE-2025-4821 | 18 Jun 202515:47 | – | cve |
 | CVE-2025-4821 Incorrect congestion window growth by invalid ACK ranges | 18 Jun 202515:47 | – | cvelist |
 | EUVD-2025-18651 | 3 Oct 202520:07 | – | euvd |
 | FreeBSD : quiche -- Multiple vulnerabilities (7b0cbc73-9955-11f0-b6e2-6805ca2fa271) | 26 Sep 202500:00 | – | nessus |
 | CVE-2025-4821 | 18 Jun 202516:15 | – | nvd |
 | PT-2025-26173 · Quiche · Quiche | 17 Jun 202500:00 | – | ptsecurity |
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13 Aug 2025 00:00Current
5.4Medium risk
Vulners AI Score5.4
CVSS 37.5
CVSS 27.8
EPSS0.00723