USN-8670-1: curl vulnerability
Publication date
24 August 2026
Overview
curl could be made to expose sensitive information.
Releases
Packages
- curl - HTTP, HTTPS, and FTP client and client libraries
Details
Joshua Rogers discovered that curl incorrectly handled reusing connections
when client certificate settings changed. This could result in the wrong
client certificates being used, contrary to expectations.
Joshua Rogers discovered that curl incorrectly handled reusing connections
when client certificate settings changed. This could result in the wrong
client certificates being used, contrary to expectations.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 24.04 LTS noble | curl – 8.5.0-2ubuntu10.13 | ||
| libcurl3t64-gnutls – 8.5.0-2ubuntu10.13 | |||
| libcurl4-gnutls-dev – 8.5.0-2ubuntu10.13 | |||
| libcurl4-openssl-dev – 8.5.0-2ubuntu10.13 | |||
| libcurl4t64 – 8.5.0-2ubuntu10.13 | |||
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