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USN-4129-2: curl vulnerability

12 September 2019

curl could be made to crash or possibly execute arbitrary code if it incorrectly handled memory during TFTP transfers.



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


USN-4129-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM.

Original advisory details:

Thomas Vegas discovered that curl incorrectly handled memory during TFTP
transfers. A remote attacker could use this issue to crash curl, 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 14.04
Ubuntu 12.04

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


Related notices

  • USN-4129-1: libcurl3-nss, libcurl3, libcurl4-nss-dev, libcurl4-openssl-dev, libcurl3-gnutls, libcurl4-gnutls-dev, curl, libcurl4, libcurl4-doc