CVE-2020-8955
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-8955
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-8955.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-8955
- Downstream
- Related
- Published
- 2020-02-12T22:15:13.207Z
- Modified
- 2025-11-14T11:10:19.533687Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
ircmodechannel_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).
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ASRTCQFFDAAK347URWNDH6NSED2BGNY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER23GT23US5JXDLUZAMGMWXKZ74MI4S2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M3LAJTLI3LWZRNCFYJ7PCBBTHUMCCBHH/
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00032.html
- https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da
- https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html
- https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
- https://security.gentoo.org/glsa/202003-51
- https://weechat.org/doc/security/
Affected packages
Git / github.com/weechat/weechat
Affected ranges
- Type
- GIT
- Repo
- https://github.com/weechat/weechat
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
Other
release-0-0-1
release-0-0-2
release-0-0-3
release-0-0-4
release-0-0-5
release-0-0-6
release-0-0-7
release-0-0-8
release-0-0-9
release-0-1-0
release-0-1-1
release-0-1-2
release-0-1-3
release-0-1-4
release-0-1-5
release-0-1-6
release-0-1-7
release-0-1-8
release-0-1-9
release-0-2-0
release-0-2-1
release-0-2-2
release-0-2-3
release-0-2-4
release-0-2-5
v0.*
v0.0.1
v0.0.2
v0.0.3
v0.0.4
v0.0.5
v0.0.6
v0.0.7
v0.0.8
v0.0.9
v0.1.0
v0.1.1
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.2.0
v0.2.1
v0.2.2
v0.2.3
v0.2.4
v0.2.5
v0.2.6
v0.3.0
v0.3.0-rc1
v0.3.0-rc2
v0.3.0-rc3
v0.3.1
v0.3.2
v0.3.2-rc1
v0.3.3
v0.3.3-rc1
v0.3.3-rc2
v0.3.3-rc3
v0.3.4
v0.3.4-rc1
v0.3.4-rc2
v0.3.4-rc3
v0.3.5
v0.3.5-rc1
v0.3.5-rc2
v0.3.5-rc3
v0.3.6
v0.3.6-rc1
v0.3.6-rc2
v0.3.6-rc3
v0.3.7
v0.3.7-rc1
v0.3.7-rc2
v0.3.7-rc3
v0.3.8
v0.3.8-rc1
v0.3.8-rc2
v0.3.9
v0.3.9-rc1
v0.3.9-rc2
v0.4.0
v0.4.0-rc1
v0.4.0-rc2
v0.4.0-rc3
v0.4.1
v0.4.1-rc1
v0.4.1-rc2
v0.4.2
v0.4.2-rc1
v0.4.2-rc2
v0.4.3
v0.4.3-rc1
v0.4.3-rc2
v1.*
v1.0
v1.0-rc1
v1.0-rc2
v1.0-rc3
v1.1
v1.1-rc1
v1.1-rc2
v1.2
v1.2-rc1
v1.2-rc2
v1.3
v1.3-rc1
v1.3-rc2
v1.4
v1.4-rc1
v1.4-rc2
v1.5
v1.5-rc1
v1.5-rc2
v1.6
v1.6-rc1
v1.6-rc2
v1.7
v1.7-rc1
v1.7-rc2
v1.8
v1.8-rc1
v1.9
v1.9-rc1
v1.9-rc2
v2.*
v2.0
v2.0-rc1
v2.1
v2.1-rc1
v2.2
v2.2-rc1
v2.2-rc2
v2.3
v2.3-rc1
v2.4
v2.4-rc1
v2.5
v2.5-rc1
v2.5-rc2
v2.6
v2.6-rc1
v2.6-rc2
v2.7
v2.7-rc1
Database specific
vanir_signatures
[
{
"signature_version": "v1",
"source": "https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da",
"deprecated": false,
"target": {
"function": "irc_mode_channel_update",
"file": "src/plugins/irc/irc-mode.c"
},
"signature_type": "Function",
"id": "CVE-2020-8955-1b8299ba",
"digest": {
"function_hash": "223350524238790654043842164543245510326",
"length": 2502.0
}
},
{
"signature_version": "v1",
"source": "https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da",
"deprecated": false,
"target": {
"file": "src/plugins/irc/irc-mode.c"
},
"signature_type": "Line",
"id": "CVE-2020-8955-afbcfe2f",
"digest": {
"line_hashes": [
"200879968070498314343440529766462460162",
"267790770994180775470654757621928752132",
"84311193978423127644732102481155587185",
"37738585302980977653187765980868653464",
"103144408093402382474082176671652325727",
"248047512738540522610242778759283707096",
"13726779807730142557510816354576803671",
"304711207680069284387163760563633707915",
"134091926362240965518819909662205922465",
"77567932931264461531056880510287982960",
"61653280659459939285653700726216165635",
"144127429652462822056848416788256299906",
"293177098233781010308844640392180242208",
"285905928978361185004924297576737108114"
],
"threshold": 0.9
}
}
]