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The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can result in Denial of Service to all clients of the proxy. This attack appear to be exploitable via Remote HTTP server responding with an X-Forwarded-For header to certain types of HTTP request. This vulnerability appears to have been fixed in 4.0.23 and later.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade squid | Mar 6, 2018 | Feb 9, 2018 |
| Amazon_linux | — | Upgrade squid | Sep 20, 2018 | Feb 9, 2018 |
| Centos_linux | — | Upgrade squid-debuginfoUpgrade squid-migration-scriptUpgrade squidUpgrade squid-sysvinit | Apr 1, 2020 | Feb 9, 2018 |
| Debian | — | Upgrade squidUpgrade squid3 | Feb 24, 2018 | Feb 9, 2018 |
| Freebsd | — | Upgrade squid-develUpgrade squid | Feb 24, 2018 | Feb 23, 2018 |
| Huawei Euleros 2_0_sp1 | — | Upgrade squid-migration-scriptUpgrade squid | May 2, 2018 | Feb 9, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade squid-migration-scriptUpgrade squid | May 2, 2018 | Feb 9, 2018 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4 | Oct 19, 2018 | Feb 9, 2018 |
| Oracle_linux | — | Upgrade squidUpgrade squid-sysvinitUpgrade squid-migration-script | Oct 5, 2022 | Jan 19, 2018 |
| Redhat_linux | — | Upgrade squid-migration-scriptUpgrade squid-sysvinitNo solution existsUpgrade squid-debuginfoUpgrade squid | Apr 1, 2020 | Feb 9, 2018 |
| Suse | — | Upgrade squid3Upgrade squid | Mar 10, 2018 | Feb 9, 2018 |
| Ubuntu | — | Upgrade squid3 | Apr 25, 2018 | Feb 9, 2018 |
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