SB2026022333 - Multiple vulnerabilities in Traefik

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper Certificate Validation (CVE-ID: CVE-2025-68121)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation within HTTP/3 connections. A remote attacker can cause cause a client to resume a session with a server that it would not have resumed with during the initial handshake

2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-25949)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to allocation of resources without limits or throttling within STARTTLS requests on Postgres. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://github.com/traefik/traefik/security/advisories/GHSA-gv8r-9rw9-9697
• https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w