GHSA-fj7c-vg2v-ccrm
Undertow vulnerable to memory exhaustion due to buffer leak
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | io.undertow:undertow-core | < 2.0.40 | 2.0.40 |
| Maven | io.undertow:undertow-core | >= 2.2.0, < 2.2.10 | 2.2.10 |
Details
As written in the advisory (Markdown source, shown as plain text).
Buffer leak on incoming WebSocket PONG message(s) in Undertow before 2.0.40 and 2.2.10 can lead to memory exhaustion and allow a denial of service.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2021-3690
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877
- https://access.redhat.com/security/cve/CVE-2021-3690
- https://access.redhat.com/security/cve/cve-2021-3690#cve-cvss-v3
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299
- https://github.com/undertow-io/undertow
- https://issues.redhat.com/browse/UNDERTOW-1935
- https://www.mend.io/vulnerability-database/CVE-2021-3690