Upstream information

CVE-2021-40516 at MITRE

Description

WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.

SUSE information

Overall state of this security issue: Resolved

This issue is currently not rated by SUSE as it is not affecting the SUSE Enterprise products.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1190206 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP3
  • weechat >= 3.2.1-bp153.2.3.1
  • weechat-devel >= 3.2.1-bp153.2.3.1
  • weechat-lang >= 3.2.1-bp153.2.3.1
  • weechat-lua >= 3.2.1-bp153.2.3.1
  • weechat-perl >= 3.2.1-bp153.2.3.1
  • weechat-python >= 3.2.1-bp153.2.3.1
  • weechat-ruby >= 3.2.1-bp153.2.3.1
  • weechat-spell >= 3.2.1-bp153.2.3.1
  • weechat-tcl >= 3.2.1-bp153.2.3.1
 Patchnames:
openSUSE-2022-83
openSUSE Leap 15.3
  • weechat >= 3.2.1-bp153.2.3.1
  • weechat-devel >= 3.2.1-bp153.2.3.1
  • weechat-lang >= 3.2.1-bp153.2.3.1
  • weechat-lua >= 3.2.1-bp153.2.3.1
  • weechat-perl >= 3.2.1-bp153.2.3.1
  • weechat-python >= 3.2.1-bp153.2.3.1
  • weechat-ruby >= 3.2.1-bp153.2.3.1
  • weechat-spell >= 3.2.1-bp153.2.3.1
  • weechat-tcl >= 3.2.1-bp153.2.3.1
 Patchnames:
openSUSE-2022-83

SUSE Timeline for this CVE

CVE page created: Mon Sep 6 02:00:37 2021
CVE page last modified: Mon Oct 6 19:31:12 2025