REDHAT-BUG-2491710: High severity Traefik traefik vulnerability

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

2 affected components
Traefik traefik<2.10.5
Traefik traefik<3.0.0-beta4

Event History

Jun 23, 2026
Data Sourced
via Red Hat·01:02 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2491710?

The severity of REDHAT-BUG-2491710 is rated high, with a score of 7.

2

How do I fix REDHAT-BUG-2491710?

To fix REDHAT-BUG-2491710, update Traefik to version 2.10.5 or later, or 3.0.0-beta5 or later.

3

What type of vulnerability is REDHAT-BUG-2491710?

REDHAT-BUG-2491710 is a denial-of-service vulnerability affecting HTTP/2 request handling.

4

Who is affected by REDHAT-BUG-2491710?

Users running Traefik versions before 2.10.5 and 3.0.0-beta4 are affected by REDHAT-BUG-2491710.

5

What are the implications of REDHAT-BUG-2491710?

The implications of REDHAT-BUG-2491710 include the potential for a remote attacker to cause service disruption through rapid HTTP/2 request handling.

Contact

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