curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libcurl-minimalUpgrade curl-minimalUpgrade libcurl-develUpgrade curlUpgrade libcurl | Sep 1, 2022 | Jul 7, 2022 |
| Alpine Linux | — | Upgrade curl | Mar 26, 2024 | Jul 7, 2022 |
| Amazon Linux Ami 2 | — | Upgrade curl-debuginfoUpgrade libcurlUpgrade libcurl-develUpgrade curl | Nov 10, 2022 | Jul 7, 2022 |
| Amazon_linux | — | Upgrade curl | Dec 10, 2022 | Jun 27, 2022 |
| Amazon_linux_2023 | — | Upgrade curl-minimalUpgrade libcurl-develUpgrade libcurl-debuginfoUpgrade libcurl-minimalUpgrade curl-debuginfoUpgrade libcurl-minimal-debuginfoUpgrade curlUpgrade libcurlUpgrade curl-minimal-debuginfoUpgrade curl-debugsource | Feb 17, 2025 | Jun 27, 2022 |
| Apple Osx Accelerateframework | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Apfs | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Appleavd | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Applemobilefileintegrity | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Appleneuralengine | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Assets | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Ats | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Audio | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Avevideoencoder | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Betaaccessutility | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Bom | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Bootcamp | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Calendar | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Cfnetwork | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Colorsync | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Corebluetooth | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Coremedia | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Coreservices | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Coretypes | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Crashreporter | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Curl | — | Upgrade macOS to the latest version | Nov 29, 2022 | Oct 24, 2022 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 7, 2022 |
| Centos_linux | — | Upgrade libcurl-minimalUpgrade curl-minimalUpgrade libcurl-minimal-debuginfoUpgrade libcurl-develUpgrade curl-debugsourceUpgrade libcurl-debuginfoUpgrade curl-minimal-debuginfoUpgrade curl-debuginfoUpgrade curlUpgrade libcurl | Aug 26, 2022 | Jul 7, 2022 |
| Debian | — | Upgrade curl | Aug 30, 2022 | Jul 7, 2022 |
| Freebsd | — | Upgrade curl | Nov 4, 2022 | Jun 27, 2022 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Dec 19, 2022 | Jul 7, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade curlUpgrade libcurl | Oct 11, 2022 | Jul 7, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade libcurl-develUpgrade curlUpgrade libcurl | Oct 11, 2022 | Jul 7, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade curlUpgrade libcurl | Sep 14, 2022 | Jul 7, 2022 |
| Ibm Aix | — | Apply the fix or workaround for curl_advisory2 | Jul 27, 2023 | Jul 7, 2022 |
| Oracle_linux | — | Upgrade libcurl-develUpgrade libcurlUpgrade libcurl-minimalUpgrade curlUpgrade curl-minimal | Aug 25, 2022 | Jun 27, 2022 |
| Redhat_linux | — | Upgrade libcurl-minimal-debuginfoUpgrade curl-debugsourceUpgrade libcurl-minimalUpgrade curl-minimalUpgrade libcurlUpgrade curlUpgrade curl-debuginfoUpgrade libcurl-debuginfoUpgrade curl-minimal-debuginfoUpgrade libcurl-devel | Aug 26, 2022 | Jul 7, 2022 |
| Rocky_linux | — | Upgrade curl-minimalUpgrade libcurl-develUpgrade libcurl-minimal-debuginfoUpgrade curlUpgrade curl-debugsourceUpgrade curl-debuginfoUpgrade libcurl-minimalUpgrade libcurl-debuginfoUpgrade curl-minimal-debuginfoUpgrade libcurl | Sep 2, 2022 | Jul 7, 2022 |
| Splunk | — | Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Universal Forwarder to version 9.1.1 | Sep 30, 2025 | Jul 7, 2022 |
| Suse | — | Upgrade libcurl-develUpgrade libcurl4Upgrade libcurl-devel-32bitUpgrade curlUpgrade libcurl4-32bit | Oct 26, 2022 | Jul 7, 2022 |
| Ubuntu | — | Upgrade curlUpgrade libcurl3-nssUpgrade libcurl4Upgrade libcurl3-gnutls | Mar 22, 2023 | Jul 7, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 7, 2022 |
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