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A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libcurl-develUpgrade curlUpgrade libcurl-minimalUpgrade libcurl | May 4, 2022 | Dec 14, 2020 |
| Alpine Linux | — | Upgrade curl | Jan 5, 2021 | Dec 14, 2020 |
| Amazon Linux Ami 2 | — | Upgrade libcurl-develUpgrade curl-debuginfoUpgrade libcurlUpgrade curl | Aug 6, 2021 | Dec 14, 2020 |
| Apple Osx Curl | — | Apply Apple macOS Security Update 2021-002 CatalinaApply Apple macOS Security Update 2021-003 MojaveUpgrade macOS to the latest version | Aug 23, 2021 | Dec 14, 2020 |
| Centos_linux | — | Upgrade curl-minimal-debuginfoUpgrade libcurlUpgrade curl-debugsourceUpgrade curl-debuginfoUpgrade libcurl-debuginfoUpgrade libcurl-minimalUpgrade libcurl-develUpgrade libcurl-minimal-debuginfoUpgrade curl | Jun 1, 2021 | Dec 14, 2020 |
| Debian | — | Upgrade curl | Dec 21, 2020 | Dec 14, 2020 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Feb 19, 2021 |
| Freebsd | — | Upgrade curl | Dec 10, 2020 | Dec 9, 2020 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Dec 29, 2020 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libcurl-develUpgrade libcurlUpgrade curl | May 25, 2022 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade curlUpgrade libcurl-develUpgrade libcurl | Mar 2, 2022 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade curlUpgrade libcurlUpgrade libcurl-devel | May 18, 2021 | Dec 14, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libcurlUpgrade curl | Jun 2, 2021 | Dec 14, 2020 |
| Oracle Solaris | — | Upgrade web/curl to version 7.74.0-11.4.33.0.1.94.0 on Solaris 11.4 | May 19, 2021 | Dec 14, 2020 |
| Oracle_linux | — | Upgrade curlUpgrade libcurl-develUpgrade libcurlUpgrade libcurl-minimal | May 26, 2021 | Dec 9, 2020 |
| Redhat_linux | — | Upgrade curl-debugsourceUpgrade libcurl-minimalNo solution existsUpgrade curl-minimal-debuginfoUpgrade libcurl-minimal-debuginfoUpgrade libcurl-develUpgrade curl-debuginfoUpgrade libcurlUpgrade curlUpgrade libcurl-debuginfo | May 21, 2021 | Dec 14, 2020 |
| Rocky_linux | — | Upgrade curlUpgrade curl-debugsourceUpgrade curl-debuginfoUpgrade libcurl-debuginfoUpgrade libcurl-develUpgrade libcurlUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfo | Mar 12, 2024 | Dec 14, 2020 |
| Splunk | — | Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Enterprise to version 9.0.6 | Sep 30, 2025 | Dec 14, 2020 |
| Suse | — | Upgrade libcurl4Upgrade curl-miniUpgrade libcurl-develUpgrade libcurl4-openssl1-x86Upgrade curl-openssl1Upgrade libcurl-mini-develUpgrade libcurl4-openssl1-32bitUpgrade curlUpgrade libcurl4-32bitUpgrade libcurl4-openssl1Upgrade libcurl4-miniUpgrade libcurl-devel-32bit | Dec 12, 2020 | Dec 9, 2020 |
| Ubuntu | — | Upgrade libcurl3 (Ubuntu Pro)Upgrade curlUpgrade libcurl3-nssUpgrade curl (Ubuntu Pro)Upgrade libcurl3-gnutlsUpgrade libcurl3-nss (Ubuntu Pro)Upgrade libcurl3Upgrade libcurl4Upgrade libcurl3-gnutls (Ubuntu Pro) | Dec 10, 2020 | Dec 9, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Dec 14, 2020 |
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