| Name | CVE-2014-9720 | 
| Description | Tornado before 3.2.2 sends arbitrary responses that contain a fixed CSRF token and may be sent with HTTP compression, which makes it easier for remote attackers to conduct a BREACH attack and determine this token via a series of crafted requests. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| References | DLA-279-1, DLA-475-1 | 
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|---|---|---|
| python-tornado (PTS) | bullseye | 6.1.0-1 | fixed | 
| bullseye (security) | 6.1.0-1+deb11u2 | fixed | |
| bookworm, bookworm (security) | 6.2.0-3+deb12u2 | fixed | |
| trixie | 6.4.2-3 | fixed | |
| forky, sid | 6.5.2-3 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|---|---|---|---|---|---|
| python-tornado | source | squeeze | 1.0.1-1+deb6u1 | DLA-279-1 | ||
| python-tornado | source | wheezy | 2.3-2+deb7u1 | DLA-475-1 | ||
| python-tornado | source | (unstable) | 3.2.2-1 | 
https://github.com/tornadoweb/tornado/commit/1c36307463b1e8affae100bf9386948e6c1b2308
https://bugzilla.suse.com/show_bug.cgi?id=930362
https://bugzilla.redhat.com/show_bug.cgi?id=1222816