A cleartext transmission of sensitive information vulnerability exists in curl <v7.88.0 that could cause HSTS functionality to behave incorrectly when multiple URLs are requested in parallel. Using its HSTS support, curl can be instructed to use HTTPS instead of using an insecure clear-text HTTP step even when HTTP is provided in the URL. This HSTS mechanism would however surprisingly fail when multiple transfers are done in parallel as the HSTS cache file gets overwritten by the most recentlycompleted transfer. A later HTTP-only transfer to the earlier host name would then *not* get upgraded properly to HSTS.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Aug 22, 2024 | Feb 23, 2023 |
| Amazon Linux Ami 2 | — | Upgrade curlUpgrade curl-debuginfoUpgrade libcurl-develUpgrade libcurl | Mar 7, 2023 | Feb 23, 2023 |
| Amazon_linux_2023 | — | Upgrade curl-debuginfoUpgrade libcurl-minimalUpgrade curl-minimal-debuginfoUpgrade libcurl-minimal-debuginfoUpgrade curl-debugsourceUpgrade libcurl-develUpgrade libcurlUpgrade libcurl-debuginfoUpgrade curl-minimalUpgrade curl | Feb 17, 2025 | Feb 15, 2023 |
| Debian | — | Upgrade curl | Jul 30, 2024 | Feb 23, 2023 |
| Freebsd | — | Upgrade curl | Mar 6, 2023 | Mar 5, 2023 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Oct 12, 2023 | Feb 23, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade libcurlUpgrade curl | Jul 5, 2023 | Feb 23, 2023 |
| Splunk | — | Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Enterprise to version 9.1.1 | Sep 30, 2025 | Feb 23, 2023 |
| Suse | — | Upgrade libcurl4Upgrade libcurl-develUpgrade curlUpgrade libcurl4-32bitUpgrade libcurl-devel-32bit | Feb 16, 2023 | Feb 15, 2023 |
| Ubuntu | — | Upgrade libcurl4Upgrade curlUpgrade libcurl3-gnutlsUpgrade libcurl3-nss | Mar 22, 2023 | Feb 23, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Feb 23, 2023 |
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