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Quic Go

6 CVEs product

Monthly

CVE-2026-21438 Feb 12, 19:15 Go MEDIUM PATCH This Month

Webtransport-go versions prior to 0.10.0 fail to properly clean up closed WebTransport streams from internal session maps, allowing remote attackers to exhaust server memory through repeated stream creation and closure. This denial-of-service condition requires no authentication or user interaction and affects all deployments using the vulnerable library. A patch is available in version 0.10.0.

Golang Webtransport Go Suse Quic Go
NVD GitHub
CVSS 3.1
5.3
EPSS
0.0%
CVE-2026-21435 Feb 12, 19:15 Go MEDIUM PATCH This Month

Webtransport-go versions prior to 0.10.0 are vulnerable to denial of service attacks where a malicious peer can withhold QUIC flow control credits to indefinitely block WebTransport session closure. An attacker can exploit this to hang close operations and prevent proper session termination, leaving connections in a suspended state. Affected applications using webtransport-go for protocol communication should upgrade to version 0.10.0 or later to mitigate this vulnerability.

Denial Of Service Golang Webtransport Go Suse Quic Go
NVD GitHub
CVSS 3.1
5.3
EPSS
0.0%
CVE-2026-21434 Feb 12, 19:15 Go MEDIUM PATCH This Month

Webtransport-go versions 0.3.0 through 0.9.0 fail to enforce the 1024-byte limit on Application Error Messages in WT_CLOSE_SESSION capsules, allowing remote attackers to trigger unbounded memory consumption by sending oversized payloads. An unauthenticated attacker can exhaust server memory and cause denial of service, requiring only sufficient bandwidth to transmit the malicious payload. The vulnerability is resolved in version 0.10.0, though no patch is currently available for affected versions.

Golang Webtransport Go Suse Quic Go
NVD GitHub
CVSS 3.1
5.3
EPSS
0.0%
CVE-2023-49295 Jan 10, 22:15 Go MEDIUM PATCH This Month

quic-go is an implementation of the QUIC protocol (RFC 9000, RFC 9001, RFC 9002) in Go. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Quic Go Quic Go Project
NVD GitHub
CVSS 3.1
6.4
EPSS
1.8%
CVE-2023-46239 Oct 31, 16:15 Go HIGH PATCH This Week

quic-go is an implementation of the QUIC protocol in Go. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Information Disclosure Quic Go Quic Go Project
NVD GitHub
CVSS 3.1
7.5
EPSS
0.8%
CVE-2022-30591 Jul 06, 12:15 HIGH POC This Week

quic-go through 0.27.0 allows remote attackers to cause a denial of service (CPU consumption) via a Slowloris variant in which incomplete QUIC or HTTP/3 requests are sent. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Quic Go Quic Go Project
NVD GitHub
CVSS 3.1
7.5
EPSS
2.8%
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

Webtransport-go versions prior to 0.10.0 fail to properly clean up closed WebTransport streams from internal session maps, allowing remote attackers to exhaust server memory through repeated stream creation and closure. This denial-of-service condition requires no authentication or user interaction and affects all deployments using the vulnerable library. A patch is available in version 0.10.0.

Golang Webtransport Go Suse +1
NVD GitHub
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

Webtransport-go versions prior to 0.10.0 are vulnerable to denial of service attacks where a malicious peer can withhold QUIC flow control credits to indefinitely block WebTransport session closure. An attacker can exploit this to hang close operations and prevent proper session termination, leaving connections in a suspended state. Affected applications using webtransport-go for protocol communication should upgrade to version 0.10.0 or later to mitigate this vulnerability.

Denial Of Service Golang Webtransport Go +2
NVD GitHub
EPSS 0% CVSS 5.3
MEDIUM PATCH This Month

Webtransport-go versions 0.3.0 through 0.9.0 fail to enforce the 1024-byte limit on Application Error Messages in WT_CLOSE_SESSION capsules, allowing remote attackers to trigger unbounded memory consumption by sending oversized payloads. An unauthenticated attacker can exhaust server memory and cause denial of service, requiring only sufficient bandwidth to transmit the malicious payload. The vulnerability is resolved in version 0.10.0, though no patch is currently available for affected versions.

Golang Webtransport Go Suse +1
NVD GitHub
EPSS 2% CVSS 6.4
MEDIUM PATCH This Month

quic-go is an implementation of the QUIC protocol (RFC 9000, RFC 9001, RFC 9002) in Go. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Quic Go Quic Go Project
NVD GitHub
EPSS 1% CVSS 7.5
HIGH PATCH This Week

quic-go is an implementation of the QUIC protocol in Go. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Information Disclosure Quic Go Quic Go Project
NVD GitHub
EPSS 3% CVSS 7.5
HIGH POC This Week

quic-go through 0.27.0 allows remote attackers to cause a denial of service (CPU consumption) via a Slowloris variant in which incomplete QUIC or HTTP/3 requests are sent. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Quic Go Quic Go Project
NVD GitHub

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