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
2020-02-12T22:15:13Z
Modified
2025-09-19T12:22:28.065168Z
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

Affected packages

Git / github.com/weechat/weechat

Affected ranges

Type
GIT
Repo
https://github.com/weechat/weechat
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

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": [
        {
            "source": "https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da",
            "signature_version": "v1",
            "id": "CVE-2020-8955-1b8299ba",
            "signature_type": "Function",
            "target": {
                "file": "src/plugins/irc/irc-mode.c",
                "function": "irc_mode_channel_update"
            },
            "digest": {
                "function_hash": "223350524238790654043842164543245510326",
                "length": 2502.0
            },
            "deprecated": false
        },
        {
            "source": "https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da",
            "signature_version": "v1",
            "id": "CVE-2020-8955-afbcfe2f",
            "signature_type": "Line",
            "target": {
                "file": "src/plugins/irc/irc-mode.c"
            },
            "digest": {
                "line_hashes": [
                    "200879968070498314343440529766462460162",
                    "267790770994180775470654757621928752132",
                    "84311193978423127644732102481155587185",
                    "37738585302980977653187765980868653464",
                    "103144408093402382474082176671652325727",
                    "248047512738540522610242778759283707096",
                    "13726779807730142557510816354576803671",
                    "304711207680069284387163760563633707915",
                    "134091926362240965518819909662205922465",
                    "77567932931264461531056880510287982960",
                    "61653280659459939285653700726216165635",
                    "144127429652462822056848416788256299906",
                    "293177098233781010308844640392180242208",
                    "285905928978361185004924297576737108114"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        }
    ]
}