SB2022021540 - Infinite loop in Discourse
Published: February 15, 2022 Updated: July 1, 2026
Security Bulletin ID
SB2022021540
CSH Severity
Low
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) Infinite loop (CVE-ID: CVE-2022-23641)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to an infinite loop in the Onebox background job when parsing posted streaming URLs. A remote user can post a streaming URL to cause a denial of service.
The issue can lead to memory leaks during background parsing.
Remediation
Install update from vendor's website.