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Ubuntu Security Notice USN-6363-1
September 13, 2023

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

– Ubuntu 23.04

Summary:

curl could be made to consume resources if it received specially crafted
network traffic.

Software Description:
– curl: HTTP, HTTPS, and FTP client and client libraries

Details:

It was discovered that curl incorrectly handled certain large headers. A
remote attacker could possibly use this issue to cause curl to consume
resources, resulting in a denial of service.

Update instructions:

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

Ubuntu 23.04:
curl 7.88.1-8ubuntu2.2
libcurl3-gnutls 7.88.1-8ubuntu2.2
libcurl3-nss 7.88.1-8ubuntu2.2
libcurl4 7.88.1-8ubuntu2.2

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

References:
https://ubuntu.com/security/notices/USN-6363-1
CVE-2023-38039

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.88.1-8ubuntu2.2