CVE-2021-40516

Source
https://cve.org/CVERecord?id=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
2026-05-28T04:07:01.010156820Z
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.

Database specific
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "0.4.1"
                },
                {
                    "fixed": "3.2.1"
                }
            ],
            "cpes": [
                "cpe:2.3:a:weechat:weechat:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_RANGE",
            "vendor_product": "weechat:weechat"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "10.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "fixed": "3.2.1"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
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
Database specific
{
    "source": "REFERENCES"
}

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

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40516.json"