CVE-2022-27782: Debian Linux

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Haxx Curl: before 7.83.1 (fixed in 7.83.1)
• Splunk Universal Forwarder: from 8.2.0, before 8.2.12 (fixed in 8.2.12); from 9.0.0, before 9.0.6 (fixed in 9.0.6); version 9.1.0 only

Published 2022-06-02. Last modified 2026-06-17.