| Name | CVE-2021-28165 |
| Description | In Eclipse Jetty 7.2.2 to 9.4.38, 10.0.0.alpha0 to 10.0.1, and 11.0.0.alpha0 to 11.0.1, CPU usage can reach 100% upon receiving a large invalid TLS frame. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4949-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| jetty (PTS) | jessie, jessie (lts) | 6.1.26-4+deb8u2 | fixed |
| jetty8 (PTS) | jessie, jessie (lts) | 8.1.16-4+deb8u1 | fixed |
| jetty9 (PTS) | stretch (security), stretch (lts), stretch | 9.2.30-0+deb9u2 | vulnerable |
| buster (security), buster, buster (lts) | 9.4.50-4+deb10u2 | fixed |
| bullseye (security), bullseye | 9.4.50-4+deb11u2 | fixed |
| bookworm (security), bookworm | 9.4.50-4+deb12u3 | fixed |
| sid, trixie | 9.4.56-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| jetty | source | jessie | (not affected) | | | |
| jetty | source | (unstable) | (unfixed) | | | |
| jetty8 | source | jessie | (not affected) | | | |
| jetty8 | source | (unstable) | (unfixed) | | | |
| jetty9 | source | buster | 9.4.16-0+deb10u1 | | DSA-4949-1 | |
| jetty9 | source | (unstable) | 9.4.39-1 | | | |
Notes
[stretch] - jetty9 <ignored> (Minor issue, cpu-spin DoS w/o service outage, no patch for 9.2 while 9.4 refactoring in core SSL code)
https://github.com/eclipse/jetty.project/security/advisories/GHSA-26vr-8j45-3r4w
https://github.com/eclipse/jetty.project/issues/6072
https://github.com/eclipse/jetty.project/pull/6073/commits/af289dcaedcddcc6b23bc73ddc20363c34338412 (jetty-9.4.x)
https://github.com/eclipse/jetty.project/pull/6073/commits/705e5e9a6a00fd3a533695bae8915b0295a4f879 (jetty-9.4.x)
[jessie] - jetty <not-affected> (Vulnerable code not present in 6.x)
[jessie] - jetty8 <not-affected> (Code refactored in 9.x, reproducer no-op)