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A flaw was found in Squid. The limits applied for validation of HTTP response headers are applied before caching. However, Squid may grow a cached HTTP response header beyond the configured maximum size, causing a stall or crash of the worker process when a large header is retrieved from the disk cache, resulting in a denial of service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libecapUpgrade squidUpgrade libecap-devel | Nov 24, 2023 | Nov 3, 2023 |
| Alpine Linux | — | Upgrade squid | Mar 21, 2024 | Nov 3, 2023 |
| Amazon_linux_2023 | — | Upgrade squidUpgrade squid-debugsourceUpgrade squid-debuginfo | Feb 17, 2025 | Oct 19, 2023 |
| Centos_linux | — | Upgrade squid-debugsourceUpgrade libecap-develUpgrade squidUpgrade squid-debuginfoUpgrade libecapUpgrade libecap-debuginfoUpgrade libecap-debugsource | Nov 23, 2023 | Nov 3, 2023 |
| Debian | — | Upgrade squid | May 15, 2025 | Nov 3, 2023 |
| Oracle_linux | — | Upgrade libecapUpgrade squidUpgrade libecap-devel | Nov 28, 2023 | Oct 19, 2023 |
| Redhat_linux | — | No solution existsUpgrade libecap-debugsourceUpgrade squid-debuginfoUpgrade squid-debugsourceUpgrade libecap-debuginfoUpgrade libecapUpgrade squidUpgrade libecap-devel | Nov 23, 2023 | Nov 3, 2023 |
| Rocky_linux | — | Upgrade libecap-develUpgrade libecap-debuginfoUpgrade libecap-debugsourceUpgrade libecap | Aug 15, 2024 | Nov 3, 2023 |
| Ubuntu | — | Upgrade squid | Apr 11, 2024 | Nov 3, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Nov 3, 2023 |
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