| Name | CVE-2016-6817 |
| Description | The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tomcat6 (PTS) | jessie, jessie (lts) | 6.0.45+dfsg-1~deb8u1 | fixed |
| tomcat7 (PTS) | jessie, jessie (lts) | 7.0.56-3+really7.0.109-1+deb8u5 | fixed |
| stretch | 7.0.75-1 | fixed |
| tomcat8 (PTS) | jessie, jessie (lts) | 8.0.14-1+deb8u27 | fixed |
| stretch (security) | 8.5.54-0+deb9u8 | fixed |
| stretch (lts), stretch | 8.5.54-0+deb9u15 | fixed |
| 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 |
| trixie, sid, 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 |
|---|
| tomcat6 | source | (unstable) | (not affected) | | | |
| tomcat7 | source | (unstable) | (not affected) | | | |
| tomcat8 | source | (unstable) | (not affected) | | | |
| tomcat9 | source | (unstable) | (not affected) | | | |
Notes
- tomcat9 <not-affected> (Fixed before initial upload to Debian)
- tomcat8 <not-affected> (Only affects 9.x and 8.5.x)
- tomcat7 <not-affected> (Only affects 9.x and 8.5.x)
- tomcat6 <not-affected> (Only affects 9.x and 8.5.x)