CVE-2023-54365: Traefik - Denial of Service via HTTP/2 Request Handling

Published Jun 23, 2026
·
Updated

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation (CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique). A remote attacker can rapidly create and cancel HTTP/2 streams to exhaust server resources and cause service unavailability.

Affected Software

8 affected components
Traefik traefik<2.10.5, <3.0.0-beta4
Traefik traefik<2.10.5
Traefik traefik=3.0.0-beta1
Traefik traefik=3.0.0-beta2
Traefik traefik=3.0.0-beta3
Golang Go<1.20.10
Golang Go>=1.21.0<1.21.3
redhat OpenShift AI

Event History

Jun 23, 2026
CVE Published
via MITRE·12:12 PM
Data Sourced
via MITRE·12:12 PM
DescriptionSeverityWeakness
Data Sourced
via Red Hat·01:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·01:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2023-54365?

The severity of CVE-2023-54365 is high with a score of 7.5.

2

How do I fix CVE-2023-54365?

To fix CVE-2023-54365, upgrade Traefik to version 2.10.5 or 3.0.0-beta4 or later.

3

What type of vulnerability is CVE-2023-54365?

CVE-2023-54365 is a denial-of-service vulnerability affecting HTTP/2 request handling.

4

Who is affected by CVE-2023-54365?

CVE-2023-54365 affects users of Traefik versions prior to 2.10.5 and 3.0.0-beta4.

5

Can CVE-2023-54365 be exploited remotely?

Yes, CVE-2023-54365 can be exploited remotely by attackers using the HTTP/2 protocol.

Contact

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