CVE-2021-32918

HIGH

prosody < 0.11.9 - Unauthenticated Denial of Service via Memory Exhaustion

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://blog.prosody.im/prosody-0.11.9-released/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/05/13/1
Mailing List, Mitigation, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/05/14/2
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4916
Third Party Advisory x_refsource_misc
https://security.gentoo.org/glsa/202105-15

Scores

CVSS v3 7.5
EPSS 0.0211
EPSS Percentile 79.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (5)
debian/debian_linux 10.0
fedoraproject/fedora 32
fedoraproject/fedora 33
fedoraproject/fedora 34
prosody/prosody < 0.11.9
Published May 13, 2021
Tracked Since Feb 18, 2026