libcurl wrongly allows cookies to be set for Top Level Domains (TLDs) if thehost name is provided with a trailing dot.curl can be told to receive and send cookies. curl's "cookie engine" can bebuilt with or without [Public Suffix List](https://publicsuffix.org/)awareness. If PSL support not provided, a more rudimentary check exists to atleast prevent cookies from being set on TLDs. This check was broken if thehost name in the URL uses a trailing dot.This can allow arbitrary sites to set cookies that then would get sent to adifferent and unrelated site or domain.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Aug 22, 2024 | Jun 1, 2022 |
| Amazon_linux_2023 | — | Upgrade curlUpgrade curl-minimalUpgrade libcurl-debuginfoUpgrade libcurlUpgrade libcurl-minimal-debuginfoUpgrade libcurl-develUpgrade libcurl-minimalUpgrade curl-debuginfoUpgrade curl-minimal-debuginfoUpgrade curl-debugsource | Feb 17, 2025 | May 11, 2022 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 1, 2022 |
| Debian | — | Upgrade curl | Jul 30, 2024 | Jun 2, 2022 |
| Freebsd | — | Upgrade curl | Nov 4, 2022 | May 13, 2022 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Dec 19, 2022 | Jun 2, 2022 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 2, 2022 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Enterprise to version 9.0.6Upgrade 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 8.1.14Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Enterprise to version 8.2.11 | Sep 30, 2025 | Jun 1, 2022 |
| Suse | — | Upgrade libcurl4-32bitUpgrade curlUpgrade libcurl4Upgrade libcurl-devel | Jun 13, 2023 | Jun 2, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 1, 2022 |
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