A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not.
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Jul 6, 2026 | Jul 3, 2026 |
| Ibm Aix | — | Apply the fix or workaround for curl_advisory11 | Jul 28, 2026 | Jul 28, 2026 |
| Redhat Openshift | — | Upgrade rhcos | Sep 3, 2026 | Jul 3, 2026 |
| Redhat_linux | — | Upgrade curl-minimal-debuginfoUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade curl-minimalNo solution existsUpgrade curl-debugsourceUpgrade libcurl-debuginfoUpgrade libcurlUpgrade curl-debuginfoUpgrade curlUpgrade libcurl-devel | Jul 17, 2026 | Jul 3, 2026 |
| Rocky_linux | — | Upgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade curl-minimalUpgrade libcurl-debuginfoUpgrade curl-minimal-debuginfoUpgrade curl-debuginfoUpgrade curl-debugsourceUpgrade libcurl-develUpgrade libcurlUpgrade curl | Aug 20, 2026 | Aug 17, 2026 |
| Ubuntu | — | Upgrade libcurl4-nss-dev (Ubuntu Pro)Upgrade libcurl4t64Upgrade curlUpgrade libcurl3-nssUpgrade libcurl4Upgrade libcurl4 (Ubuntu Pro)Upgrade libcurl4-nss-devUpgrade libcurl4-openssl-devUpgrade libcurl4-gnutls-dev (Ubuntu Pro)Upgrade libcurl4-gnutls-devUpgrade libcurl4-openssl-dev (Ubuntu Pro)Upgrade libcurl3 (Ubuntu Pro)Upgrade libcurl3-gnutls (Ubuntu Pro)Upgrade curl (Ubuntu Pro)Upgrade libcurl3-nss (Ubuntu Pro)Upgrade libcurl3-gnutlsUpgrade libcurl3t64-gnutls | Jul 1, 2026 | Jun 30, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 10, 2026 | Jul 3, 2026 |
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