SB2021090942 - Denial of service in Netty
Published: September 9, 2021 Updated: May 5, 2026
Security Bulletin ID
SB2021090942
CSH 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 vulnerability.
1) Improper input validation (CVE-ID: CVE-2021-37137)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Snappy frame decoder function. A remote attacker can send specially crafted HTTP requests and perform a denial of service attack.
Remediation
Install update from vendor's website.