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CVE-2025-4820

🗓️ 18 Jun 2025 15:45:49Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux
🔗 security.alpinelinux.org👁 6 Views

CVE-2025-4820: Unauthenticated attacker inflates congestion window in Cloudflare quiche via opportunistic ACK, increasing bytes in flight; fixed in quiche 0.24.4.

Related
Packages
ReporterTitlePublishedViews
Family
freebsd
quiche -- Multiple vulnerabilities
18 Jun 202500:00
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CVE-2025-4820
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CVE-2025-4820 Incorrect congestion window growth by optimistic ACK
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osv
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ptsecurity
PT-2025-26172 · Quiche · Quiche
18 Jun 202500:00
ptsecurity
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linux3.22anydnsdist1.9.11-r0dnsdist-1.9.11-r0.apk
Alpine Linuxanyanydnsdist2.0.1-r0dnsdist-2.0.1-r0.apk
Alpine Linux3.23anydnsdist2.0.1-r0dnsdist-2.0.1-r0.apk
Alpine Linux3.24anydnsdist2.0.1-r0dnsdist-2.0.1-r0.apk

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17 Jun 2026 09:34Current
7.2High risk
Vulners AI Score7.2
CVSS 3.15.3
EPSS0.00673
SSVC
6