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VULNERABILITIES

CVE-2020-8955 Details

Description

irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html CVEMailing ListThird Party Advisory
https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da CVEPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html CVEMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/ CVE

see all 18 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]

Affected Products

ProductVersions
weechat weechat
>= 0.3.8, <= 2.7

CPE

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

Remediation

  • No remediation found in references.
fedoraproject fedora
30
31
32

CPE

  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse backports sle
15.0 -
15.0 sp1

CPE

  • cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
  • cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*

Remediation

  • No remediation found in references.
opensuse leap
15.1

CPE

  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
8.0
9.0

CPE

  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-8955
NVD Published Date:
Feb 12, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-8955 Details - Not Deferred