libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse, if one of them matches the setup.Due to errors in the logic, the config matching function did not take 'issuercert' into account and it compared the involved paths *case insensitively*,which could lead to libcurl reusing wrong connections.File paths are, or can be, case sensitive on many systems but not all, and caneven vary depending on used file systems.The comparison also didn't include the 'issuer cert' which a transfer can setto qualify how to verify the server certificate.
CVSS Details
- CVSS 3.1 Base Score: 3.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libcurl-minimalUpgrade libcurl-develUpgrade curlUpgrade libcurl | May 4, 2022 | Aug 5, 2021 |
| Alpine Linux | — | Upgrade curl | Aug 22, 2024 | Aug 5, 2021 |
| Amazon Linux Ami 2 | — | Upgrade libcurl-develUpgrade curlUpgrade libcurlUpgrade curl-debuginfo | Sep 16, 2021 | Aug 5, 2021 |
| Amazon_linux | — | Upgrade curl | Sep 9, 2021 | Jul 21, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Aug 5, 2021 |
| Centos_linux | — | Upgrade curl-debugsourceUpgrade libcurl-debuginfoUpgrade libcurlUpgrade curl-minimal-debuginfoUpgrade curlUpgrade libcurl-develUpgrade curl-debuginfoUpgrade libcurl-minimal-debuginfoUpgrade libcurl-minimal | Sep 22, 2021 | Aug 5, 2021 |
| Debian | — | Upgrade curl | Aug 16, 2021 | Aug 5, 2021 |
| Freebsd | — | Upgrade curl | Nov 4, 2022 | Jul 21, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade curlUpgrade libcurlUpgrade libcurl-devel | Sep 24, 2021 | Aug 5, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libcurlUpgrade curl | Nov 12, 2021 | Aug 5, 2021 |
| Oracle Solaris | — | Upgrade web/curl to version 7.79.0-11.4.39.0.1.107.0 on Solaris 11.4 | Nov 17, 2021 | Aug 5, 2021 |
| Oracle_linux | — | Upgrade libcurlUpgrade libcurl-minimalUpgrade libcurl-develUpgrade curl | Sep 22, 2021 | Jul 21, 2021 |
| Redhat_linux | — | Upgrade curlUpgrade libcurl-debuginfoUpgrade curl-minimal-debuginfoNo solution existsUpgrade libcurl-develUpgrade curl-debuginfoUpgrade libcurlUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade curl-debugsource | Sep 22, 2021 | Aug 5, 2021 |
| Rocky_linux | — | Upgrade libcurl-debuginfoUpgrade libcurlUpgrade curl-debuginfoUpgrade libcurl-develUpgrade curlUpgrade curl-debugsourceUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfo | Mar 12, 2024 | Aug 5, 2021 |
| Splunk | — | Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Universal Forwarder 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 Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Enterprise to version 8.1.14 | Sep 30, 2025 | Aug 5, 2021 |
| Suse | — | Upgrade libcurl-develUpgrade curl-openssl1Upgrade libcurl4-32bitUpgrade curlUpgrade libcurl4-openssl1-x86Upgrade libcurl4-openssl1Upgrade libcurl4-openssl1-32bitUpgrade libcurl-devel-32bitUpgrade curl-miniUpgrade libcurl-mini-develUpgrade libcurl4-miniUpgrade libcurl4 | Jul 22, 2021 | Jul 21, 2021 |
| Ubuntu | — | Upgrade libcurl3-nssUpgrade libcurl3-gnutlsUpgrade curlUpgrade libcurl4 | Jul 23, 2021 | Jul 21, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 5, 2021 |
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