SB2025101341 - Denial of service in quic-go
Published: October 13, 2025
Security Bulletin ID
SB2025101341
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reachable assertion (CVE-ID: CVE-2025-59530)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to premature HANDSHAKE_DONE frame. A remote attacker can trigger an assertion in a quic-go client and cause a deial of service condition on the target system.
Remediation
Install update from vendor's website.