1. Ubuntu Security Notices
  2. USN-6363-1

USN-6363-1: curl vulnerability

Publication date

13 September 2023

Overview

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

Releases

Packages

  • 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.

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

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
23.04 lunar 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

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References

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