CVE-2021-42074
- 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
- 2021-11-08T04:15:08Z
- Modified
- 2026-10-20T10:54:03Z
- 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
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:barrier_project:barrier:*:*:*:*:*:*:*:*", "range": [ { "introduced": "0" }, { "fixed": "2.3.4" } ], "source": "CPE_RANGE" }, { "original_tag": "v2.3.4", "range": [ { "fixed": "c43597c27a4e57b0b599d41360bc4d29bd7bfe48" } ], "source": "REFERENCES_TAG" } ] }