CVE-2021-40516
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-40516
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40516.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-40516
- Downstream
- Related
- Published
- 2021-09-05T18:15:07.260Z
- Modified
- 2025-11-14T12:20:24.539505Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
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
v2.8
v2.8-rc1
v2.9
v2.9-rc1
v3.*
v3.0
v3.0-rc1
v3.1
v3.1-rc1
v3.2
v3.2-rc1
Database specific
vanir_signatures
[
{
"signature_version": "v1",
"source": "https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b",
"deprecated": false,
"target": {
"file": "src/plugins/relay/relay-websocket.c",
"function": "relay_websocket_decode_frame"
},
"signature_type": "Function",
"id": "CVE-2021-40516-353cee5b",
"digest": {
"function_hash": "90984801403705773734291904413682159646",
"length": 1292.0
}
},
{
"signature_version": "v1",
"source": "https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b",
"deprecated": false,
"target": {
"file": "src/plugins/relay/relay-websocket.c"
},
"signature_type": "Line",
"id": "CVE-2021-40516-f0fe135d",
"digest": {
"line_hashes": [
"185022148163257089434961016404046252569",
"184744754322552087026858270309936591790",
"191183726525295947973913069477825404381",
"68668294676952027065538799851858869832",
"60044029408785289657743013144701600498",
"53318637778942654248644030389717365042",
"53534688126527754786968734116397354900",
"140022038909199881189320215257515401726",
"268943608237821586650034687314187702877",
"285334332598187027351225037205398649593",
"255007784547851831597708940877279823122",
"173371007676917502685001025229199806348",
"226270972019004488545873450194490022194",
"324481065871207876708782365308912011591",
"11404280253700365656450875383320078459",
"114194268252433711824331716049407082525",
"137109977297919328510141836220320587523",
"242376844075321787239986594644343304784",
"316063017631408290107575463454114821044",
"142928069766618059012610996476402069099"
],
"threshold": 0.9
}
}
]