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USN-3710-1: curl vulnerability

11 July 2018

curl could be made to crash or run programs if it received specially crafted network traffic.



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


Peter Wu discovered that curl incorrectly handled certain SMTP buffers. A
remote attacker could use this issue to cause curl to crash, resulting in a
denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 18.04
Ubuntu 17.10

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