CVE-2020-11653
Fixed in a distro release EPSS 2%
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.
Products: varnish-cache varnish_cache, varnish-software varnish_cache, opensuse backports_sle, opensuse leap, debian_linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 10 | varnish | 6.1.1-1+deb10u4 |
| Debian 12 | varnish | 6.4.0-1 |
| Debian 13 | varnish | 6.4.0-1 |
| Red Hat Enterprise Linux 8 | varnish | 0:6.0.6-2.module+el8.3.0+6843+b3b42fcc |
| Red Hat Enterprise Linux 8 | varnish-devel | 0:6.0.6-2.module+el8.3.0+6843+b3b42fcc |
| Red Hat Enterprise Linux 8 | varnish-docs | 0:6.0.6-2.module+el8.3.0+6843+b3b42fcc |
| Red Hat Enterprise Linux 8 | varnish-modules | 0:0.15.0-5.module+el8.3.0+6843+b3b42fcc |
| Red Hat Enterprise Linux 8 | varnish-modules-debuginfo | 0:0.15.0-5.module+el8.3.0+6843+b3b42fcc |
| Red Hat Enterprise Linux 8 | varnish-modules-debugsource | 0:0.15.0-5.module+el8.3.0+6843+b3b42fcc |
| Rocky Linux 8 | varnish | 0:6.0.6-2.module+el8.3.0+179+20b582cc |
| Rocky Linux 8 | varnish-modules | 0:0.15.0-5.module+el8.3.0+179+20b582cc |
| SUSE Package Hub 15 SP1 | varnish | 6.2.1-bp151.4.6.1 |
| Ubuntu 18.04 LTS | varnish | 5.2.1-1ubuntu0.1 |
| Ubuntu 20.04 LTS | varnish | 6.2.1-2ubuntu0.1 |
| Ubuntu 20.04 LTS | varnish | 6.2.1-2ubuntu0.2 |
| Ubuntu 22.04 LTS | varnish | 6.6.1-1ubuntu0.2 |
| openSUSE Leap 15.1 | varnish | 6.2.1-lp151.3.6.1 |