CVE-2021-40516

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-40516
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List Third Party Advisory
https://weechat.org/doc/security/ Patch Vendor Advisory
https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html Mailing List Third Party Advisory
https://weechat.org/doc/security/ Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:weechat:weechat:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:24

Type Values Removed Values Added
References () https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b - Patch, Third Party Advisory () https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b - Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html - Mailing List, Third Party Advisory
References () https://weechat.org/doc/security/ - Patch, Vendor Advisory () https://weechat.org/doc/security/ - Patch, Vendor Advisory

07 Oct 2021, 17:55

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html - Mailing List, Third Party Advisory

30 Sep 2021, 14:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html -

09 Sep 2021, 21:23

Type Values Removed Values Added
CWE CWE-125
CPE cpe:2.3:a:weechat:weechat:*:*:*:*:*:*:*:*
References (MISC) https://weechat.org/doc/security/ - (MISC) https://weechat.org/doc/security/ - Patch, Vendor Advisory
References (MISC) https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b - (MISC) https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b - Patch, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5

05 Sep 2021, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-05 18:15

Updated : 2024-11-21 06:24

NVD link : CVE-2021-40516

Mitre link : CVE-2021-40516

CVE.ORG link : CVE-2021-40516

JSON object : View

Products Affected

debian

  • debian_linux

weechat

  • weechat
CWE
CWE-125

Out-of-bounds Read