varnish: Varnish Cache is a high-performance HTTP accelerator
CVE-2021-36740 is fixed in 5 products on 1 platform, first by RHSA-2021:2988, released August 2, 2021. It is not reported as exploited. Patch Radar priority: High.
Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fix(es): * varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request (CVE-2021-36740) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libvarnishapi2 · Ubuntu 20.04 LTS (focal) | 6.2.1-2ubuntu0.1 | libvarnishapi2 6.2.1-2ubuntu0.1 | Jan 25, 2022 |
| varnish · Debian 11.6 (bullseye) | 6.5.1-1+deb11u2 | DSA-5088-1 | Mar 3, 2022 |
| varnish · RHEL 8 | 0:6.0.6-2.module+el8.4.0+11921+1a6539fc.1 | RHSA-2021:2988 | Aug 2, 2021 |
| varnish · Ubuntu 20.04 LTS (focal) | 6.2.1-2ubuntu0.1 | varnish 6.2.1-2ubuntu0.1 | Jan 25, 2022 |
| varnish · ol 8 | 0:6.0.6-2.module+el8.4.0+20258+f99218b2.1 | ELSA-2021-2988 | Aug 3, 2021 |
| varnish-devel · RHEL 8 | 0:6.0.6-2.module+el8.4.0+11921+1a6539fc.1 | RHSA-2021:2988 | Aug 2, 2021 |
| varnish-devel · ol 8 | 0:6.0.6-2.module+el8.4.0+20258+f99218b2.1 | ELSA-2021-2988 | Aug 3, 2021 |
| varnish-docs · RHEL 8 | 0:6.0.6-2.module+el8.4.0+11921+1a6539fc.1 | RHSA-2021:2988 | Aug 2, 2021 |
| varnish-docs · ol 8 | 0:6.0.6-2.module+el8.4.0+20258+f99218b2.1 | ELSA-2021-2988 | Aug 3, 2021 |
| varnish-modules · RHEL 8 | 0:0.15.0-5.module+el8.3.0+6843+b3b42fcc | RHSA-2021:2988 | Aug 2, 2021 |
| varnish-modules · ol 8 | 0:0.15.0-5.module+el8.3.0+7653+45014445 | ELSA-2021-2988 | Aug 3, 2021 |
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