A curl security update has been released for Ubuntu Linux 22.04 LTS, 23.04, and 23.10.

[USN-6429-3] curl vulnerabilities

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Ubuntu Security Notice USN-6429-3
October 17, 2023

curl vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

Summary:

Several security issues were fixed in curl.

Software Description:

Details:

USN-6429-1 fixed vulnerabilities in curl. This update provides the
corresponding updates for Ubuntu 23.10.

Original advisory details:

Jay Satiro discovered that curl incorrectly handled hostnames when using a
SOCKS5 proxy. In environments where curl is configured to use a SOCKS5
proxy, a remote attacker could possibly use this issue to execute arbitrary
code. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04.
(CVE-2023-38545)
It was discovered that curl incorrectly handled cookies when an application
duplicated certain handles. A local attacker could possibly create a cookie
file and inject arbitrary cookies into subsequent connections.
(CVE-2023-38546)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6429-3
https://ubuntu.com/security/notices/USN-6429-1
CVE-2023-38545, CVE-2023-38546