CVE-2021-32918: High severity Prosody prosody vulnerability
An issue was discovered in Prosody before 0.11.9. Default settings are susceptible to remote unauthenticated denial-of-service (DoS) attacks via memory exhaustion when running under Lua 5.2 or Lua 5.3.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/prosodyto a version that resolves this vulnerability.Fixed in 0.11.2-1+deb10u4Fixed in 0.11.9-2+deb11u2Fixed in 0.12.3-1Fixed in 0.12.4-1 - Upgrade
Upgrade
alpine/prosodyto a version that resolves this vulnerability.Fixed in 0.11.9-r0
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-32918.
What is the severity of CVE-2021-32918?
The severity of CVE-2021-32918 is high with a CVSS score of 7.5.
What is the affected software for CVE-2021-32918?
The affected software for CVE-2021-32918 is Prosody version 0.11.2-1+deb10u4, 0.11.9-2+deb11u2, 0.12.3-1, and 0.12.4-1 running under Lua 5.2 or Lua 5.3.
How can I fix CVE-2021-32918?
To fix CVE-2021-32918, update Prosody to version 0.11.9 or apply the available patches from the official Prosody website.
Where can I find more information about CVE-2021-32918?
You can find more information about CVE-2021-32918 in the references provided: [link1], [link2], and [link3].