CVE-2022-27781: Debian Linux

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Haxx Curl: before 7.83.1 (fixed in 7.83.1)
• Netapp Clustered Data Ontap: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified
• Netapp Hci Bootstrap OS: affected versions not specified
• Netapp Hci Compute Node: affected versions not specified
• Netapp Solidfire, Enterprise Sds & Hci Storage Node: affected versions not specified
• Netapp Solidfire & Hci Management Node: affected versions not specified
• 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.