| Name | CVE-2020-13934 |
| Description | An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2286-1, DSA-4727-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tomcat9 (PTS) | buster | 9.0.31-1~deb10u6 | fixed |
| buster (security) | 9.0.31-1~deb10u12 | fixed | |
| bullseye (security), bullseye | 9.0.43-2~deb11u9 | fixed | |
| sid, trixie, bookworm | 9.0.70-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| tomcat8 | source | stretch | 8.5.54-0+deb9u3 | DLA-2286-1 | ||
| tomcat8 | source | (unstable) | (unfixed) | |||
| tomcat9 | source | buster | 9.0.31-1~deb10u2 | DSA-4727-1 | ||
| tomcat9 | source | (unstable) | 9.0.37-1 |
https://www.openwall.com/lists/oss-security/2020/07/14/4
https://github.com/apache/tomcat/commit/923d834500802a61779318911d7898bd85fc950e (8.5.57)
https://github.com/apache/tomcat/commit/172977f04a5215128f1e278a688983dcd230f399 (9.0.37)