CVE-2021-42074

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Source
https://cve.org/CVERecord?id=CVE-2021-42074
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42074.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-42074
Published
2021-11-08T04:15:08.547Z
Modified
2026-04-10T04:40:42.196399Z
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

An issue was discovered in Barrier before 2.3.4. An unauthenticated attacker can cause a segmentation fault in the barriers component (aka the server-side implementation of Barrier) by quickly opening and closing TCP connections while sending a Hello message for each TCP session.

References

Affected packages

Git / github.com/debauchee/barrier

Affected ranges

Type
GIT
Repo
https://github.com/debauchee/barrier
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c43597c27a4e57b0b599d41360bc4d29bd7bfe48
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.3.4"
        }
    ]
}

Affected versions

1.*
1.6.0
1.6.1
1.6.2
1.6.3-final
1.7.0
v1.*
v1.7.1-stable
v1.7.2-stable
v1.7.3-stable
v1.8.0-beta
v1.8.1-stable
v2.*
v2.0.0
v2.0.0-RC1
v2.0.0-RC2
v2.1.0
v2.1.1
v2.1.2
v2.3.0
v2.3.1
v2.3.2
v2.3.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42074.json"