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 | alpine-linux-upgrade-curl | Aug 22, 2024 | Feb 23, 2023 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-curlamazon-linux-ami-2-upgrade-curl-debuginfoamazon-linux-ami-2-upgrade-libcurlamazon-linux-ami-2-upgrade-libcurl-devel | Mar 7, 2023 | Feb 23, 2023 | |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-curlamazon-linux-2023-upgrade-curl-debuginfoamazon-linux-2023-upgrade-curl-debugsourceamazon-linux-2023-upgrade-curl-minimalamazon-linux-2023-upgrade-curl-minimal-debuginfoamazon-linux-2023-upgrade-libcurlamazon-linux-2023-upgrade-libcurl-debuginfoamazon-linux-2023-upgrade-libcurl-develamazon-linux-2023-upgrade-libcurl-minimalamazon-linux-2023-upgrade-libcurl-minimal-debuginfo | Feb 17, 2025 | Feb 15, 2023 | |
| Debian | debian-upgrade-curl | Jul 30, 2024 | Feb 23, 2023 | |
| Freebsd | freebsd-upgrade-package-curl | Mar 6, 2023 | Mar 5, 2023 | |
| Gentoo Linux | gentoo-linux-upgrade-net-misc-curl | Oct 12, 2023 | Feb 23, 2023 | |
| Huawei Euleros 2_0_sp11 | huawei-euleros-2_0_sp11-upgrade-curlhuawei-euleros-2_0_sp11-upgrade-libcurl | Jul 5, 2023 | Feb 23, 2023 | |
| Splunk | splunk-upgrade-latest | Sep 30, 2025 | Feb 23, 2023 | |
| Suse | — | suse-upgrade-curlsuse-upgrade-libcurl-develsuse-upgrade-libcurl-devel-32bitsuse-upgrade-libcurl4suse-upgrade-libcurl4-32bit | Feb 16, 2023 | Feb 15, 2023 |
| Ubuntu | ubuntu-upgrade-curlubuntu-upgrade-libcurl3-gnutlsubuntu-upgrade-libcurl3-nssubuntu-upgrade-libcurl4 | Mar 22, 2023 | Feb 23, 2023 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Feb 23, 2023 |
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