CVE-2021-3690
- Source
- https://cve.org/CVERecord?id=CVE-2021-3690
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3690.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-3690
- Aliases
- Downstream
- Published
- 2022-08-23T16:15:09.450Z
- Modified
- 2026-03-01T02:17:07.325739Z
- 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
-
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.
- References
-
- https://issues.redhat.com/browse/UNDERTOW-1935
- https://access.redhat.com/security/cve/CVE-2021-3690
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877
- https://issues.redhat.com/browse/UNDERTOW-1935
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299
- https://issues.redhat.com/browse/UNDERTOW-1935
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877
- https://issues.redhat.com/browse/UNDERTOW-1935
Affected packages
Git / github.com/undertow-io/undertow
Affected ranges
- Type
- GIT
- Repo
- https://github.com/undertow-io/undertow
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixed