Back
CVE-2020-8955
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…
Critical9.8EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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).
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (9)
- https://weechat.org/doc/security/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2020:0248 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2020-4d232b48b8 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-db890b4800 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [debian-lts-announce] 20200324 [SECURITY] [DLA 2157-1] weechat security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-202003-51 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- FEDORA-2020-d242130019 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [debian-lts-announce] 20210930 [SECURITY] [DLA 2770-1] weechat security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-8955)Record last updated .