CVE-2020-15811

squid: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Sec...

CVE-2020-15811 is fixed in 8 products on 1 platform, first by squid 3.5.27-1ubuntu1.9, released August 24, 2020. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
9.6
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0407
90th percentile

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: HTTP Request Smuggling could result in cache poisoning (CVE-2020-15810) * squid: HTTP Request Splitting could result in cache poisoning (CVE-2020-15811) 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

ProductFixed inFixReleased
Linux
libecap · RHEL 8 0:1.0.1-2.module+el8.1.0+4044+36416a77 RHSA-2020:3623 Sep 3, 2020
libecap · ol 8 0:1.0.1-2.module+el8.1.0+5405+03b963f4 ELSA-2020-3623 Sep 4, 2020
libecap-devel · RHEL 8 0:1.0.1-2.module+el8.1.0+4044+36416a77 RHSA-2020:3623 Sep 3, 2020
libecap-devel · ol 8 0:1.0.1-2.module+el8.1.0+5405+03b963f4 ELSA-2020-3623 Sep 4, 2020
squid · RHEL 8 7:4.4-8.module+el8.2.0+7834+b8ecaeef.2 RHSA-2020:3623 Sep 3, 2020
squid · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.9 squid 3.5.27-1ubuntu1.9 Aug 24, 2020
squid · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.2 squid 4.10-1ubuntu1.2 Aug 24, 2020
squid · ol 8 7:4.4-8.module+el8.2.0+7778+aff7482f.2 ELSA-2020-3623 Sep 4, 2020
squid-cgi · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.9 squid-cgi 3.5.27-1ubuntu1.9 Aug 24, 2020
squid-cgi · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.2 squid-cgi 4.10-1ubuntu1.2 Aug 24, 2020
squid-common · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.9 squid-common 3.5.27-1ubuntu1.9 Aug 24, 2020
squid-common · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.2 squid-common 4.10-1ubuntu1.2 Aug 24, 2020
squid-purge · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.9 squid-purge 3.5.27-1ubuntu1.9 Aug 24, 2020
squid-purge · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.2 squid-purge 4.10-1ubuntu1.2 Aug 24, 2020
squid3 · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.9 squid3 3.5.27-1ubuntu1.9 Aug 24, 2020
squidclient · Ubuntu 18.04.6 LTS (bionic) 3.5.27-1ubuntu1.9 squidclient 3.5.27-1ubuntu1.9 Aug 24, 2020
squidclient · Ubuntu 20.04 LTS (focal) 4.10-1ubuntu1.2 squidclient 4.10-1ubuntu1.2 Aug 24, 2020

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.