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curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libcurl-minimalUpgrade curlUpgrade libcurl-develUpgrade libcurl | May 4, 2022 | Apr 1, 2021 |
| Alpine Linux | — | Upgrade curl | Aug 22, 2024 | Apr 1, 2021 |
| Amazon Linux Ami 2 | — | Upgrade libcurlUpgrade curlUpgrade libcurl-develUpgrade curl-debuginfo | Jun 24, 2021 | Apr 1, 2021 |
| Amazon_linux | — | Upgrade curl | Jul 13, 2021 | Mar 31, 2021 |
| Centos_linux | — | Upgrade libcurlUpgrade libcurl-debuginfoUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade libcurl-develUpgrade curl-debugsourceUpgrade curl-minimal-debuginfoUpgrade curl-debuginfoUpgrade curl | Nov 10, 2021 | Apr 1, 2021 |
| Debian | — | Upgrade curl | Apr 1, 2021 | Apr 1, 2021 |
| Freebsd | — | Upgrade curl | Nov 4, 2022 | Apr 10, 2021 |
| Gentoo Linux | — | Upgrade net-misc/curl. | May 28, 2021 | Apr 1, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade curlUpgrade libcurlUpgrade libcurl-devel | Sep 24, 2021 | Apr 1, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade curlUpgrade libcurl | Jul 2, 2021 | Apr 1, 2021 |
| Oracle Solaris | — | Upgrade web/curl to version 7.76.0-11.4.36.0.1.101.0 on Solaris 11.4 | Aug 27, 2021 | Apr 1, 2021 |
| Oracle_linux | — | Upgrade libcurl-develUpgrade curlUpgrade libcurl-minimalUpgrade libcurl | Nov 17, 2021 | Mar 31, 2021 |
| Redhat_linux | — | Upgrade libcurl-minimal-debuginfoUpgrade curl-debugsourceUpgrade curl-minimal-debuginfoUpgrade curl-debuginfoNo solution existsUpgrade libcurlUpgrade libcurl-debuginfoUpgrade curlUpgrade libcurl-minimalUpgrade libcurl-devel | Nov 10, 2021 | Apr 1, 2021 |
| Rocky_linux | — | Upgrade curl-debugsourceUpgrade curl-debuginfoUpgrade libcurl-minimalUpgrade libcurl-develUpgrade libcurl-minimal-debuginfoUpgrade curlUpgrade libcurl-debuginfoUpgrade libcurl | Mar 12, 2024 | Apr 1, 2021 |
| Splunk | — | Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 8.2.12 | Sep 30, 2025 | Apr 1, 2021 |
| Suse | — | Upgrade libcurl-mini-develUpgrade libcurl4-openssl1-x86Upgrade libcurl4-32bitUpgrade libcurl4Upgrade libcurl-develUpgrade curlUpgrade curl-openssl1Upgrade libcurl-devel-32bitUpgrade libcurl4-openssl1-32bitUpgrade libcurl4-openssl1Upgrade curl-miniUpgrade libcurl4-mini | Apr 7, 2021 | Mar 31, 2021 |
| Ubuntu | — | Upgrade libcurl3Upgrade libcurl4Upgrade curl (Ubuntu Pro)Upgrade libcurl3-nssUpgrade libcurl3-gnutlsUpgrade libcurl3-gnutls (Ubuntu Pro)Upgrade libcurl3-nss (Ubuntu Pro)Upgrade curlUpgrade libcurl3 (Ubuntu Pro) | Apr 1, 2021 | Mar 31, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 1, 2021 |
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