The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like `http://example.com%2F127.0.0.1/`, would be allowed bythe parser and get transposed into `http://example.com/127.0.0.1/`. This flawcan be used to circumvent filters, checks and more.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 curl-minimalUpgrade libcurl-minimal-debuginfoUpgrade libcurl-minimalUpgrade curlUpgrade curl-minimal-debuginfoUpgrade libcurl-develUpgrade libcurl-debuginfoUpgrade curl-debuginfoUpgrade curl-debugsourceUpgrade libcurl | 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 Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Enterprise to version 9.0.6 | Sep 30, 2025 | Jun 1, 2022 |
| Suse | — | Upgrade libcurl4-32bitUpgrade libcurl4Upgrade curlUpgrade libcurl-devel | Jun 13, 2023 | Jun 2, 2022 |
| Ubuntu | — | Upgrade libcurl4Upgrade libcurl3-gnutlsUpgrade curlUpgrade libcurl3-nss | May 12, 2022 | May 11, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 1, 2022 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub