USN-3765-1: curl vulnerability

17 September 2018

curl vulnerability

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

  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


curl could be made to run arbitrary code if it received a specially crafted input.

Software Description

  • curl - HTTP, HTTPS, and FTP client and client libraries


It was discovered that curl incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code.

Update instructions

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

Ubuntu 18.04 LTS
curl - 7.58.0-2ubuntu3.3
libcurl3-gnutls - 7.58.0-2ubuntu3.3
libcurl3-nss - 7.58.0-2ubuntu3.3
libcurl4 - 7.58.0-2ubuntu3.3
Ubuntu 16.04 LTS
curl - 7.47.0-1ubuntu2.9
libcurl3 - 7.47.0-1ubuntu2.9
libcurl3-gnutls - 7.47.0-1ubuntu2.9
libcurl3-nss - 7.47.0-1ubuntu2.9
Ubuntu 14.04 LTS
curl - 7.35.0-1ubuntu2.17
libcurl3 - 7.35.0-1ubuntu2.17
libcurl3-gnutls - 7.35.0-1ubuntu2.17
libcurl3-nss - 7.35.0-1ubuntu2.17

To update your system, please follow these instructions:

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