CVE-2021-3690
- Source
- https://cve.org/CVERecord?id=CVE-2021-3690
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3690.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-3690
- Aliases
- Downstream
- Published
- 2022-08-23T16:15:09.450Z
- Modified
- 2026-02-03T07:25:56.775549Z
- 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 versions
2.*
2.1.0.Final
2.1.1.Final
2.1.2.Final
2.1.3.Final
2.1.4.Final
2.2.0.Final
2.2.1.Final
2.2.2.Final
2.2.3.Final
2.2.4.Final
2.2.5.Final
2.2.6.Final
2.2.7.Final
2.2.8.Final
2.2.9.Final
Database specific
vanir_signatures
[
{
"signature_type": "Function",
"target": {
"file": "websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java",
"function": "onFullPongMessage"
},
"deprecated": false,
"digest": {
"length": 601.0,
"function_hash": "187851407789216287730490246308857511865"
},
"source": "https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877",
"id": "CVE-2021-3690-45402648",
"signature_version": "v1"
},
{
"signature_type": "Line",
"target": {
"file": "websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java"
},
"deprecated": false,
"digest": {
"threshold": 0.9,
"line_hashes": [
"79403700335528539273770068144736272793",
"79857656579781679713873665099933085318",
"244125084856819352952595829882912148068",
"137441744319017044843376062865140644092"
]
},
"source": "https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877",
"id": "CVE-2021-3690-e32340ef",
"signature_version": "v1"
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3690.json"