| Name | CVE-2020-11653 |
| Description | An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss. |
| 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-3208-1 |
| Debian Bugs | 956307 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| varnish (PTS) | buster | 6.1.1-1+deb10u3 | vulnerable |
| buster (security) | 6.1.1-1+deb10u4 | fixed | |
| bullseye (security), bullseye | 6.5.1-1+deb11u3 | fixed | |
| bookworm | 7.1.1-1.1 | fixed | |
| sid, trixie | 7.1.1-1.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| varnish | source | jessie | (not affected) | |||
| varnish | source | stretch | (not affected) | |||
| varnish | source | buster | 6.1.1-1+deb10u4 | DLA-3208-1 | ||
| varnish | source | (unstable) | 6.4.0-1 | 956307 |
[stretch] - varnish <not-affected> (Only affects 6.x)
[jessie] - varnish <not-affected> (Only affects 6.x)
https://varnish-cache.org/security/VSV00005.html#vsv00005
https://github.com/varnishcache/varnish-cache/commit/2d8fc1a784a1e26d78c30174923a2b14ee2ebf62