USN-3993-2: curl vulnerability

Releases

• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

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

Details

USN-3993-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that curl incorrectly handled memory when receiving data
from a TFTP server. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2019-5436)

Update instructions

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

Ubuntu 14.04

• libcurl3-gnutls - 7.35.0-1ubuntu2.20+esm2
• libcurl3-nss - 7.35.0-1ubuntu2.20+esm2
• libcurl3 - 7.35.0-1ubuntu2.20+esm2
• curl - 7.35.0-1ubuntu2.20+esm2

Ubuntu 12.04

• libcurl3-gnutls - 7.22.0-3ubuntu4.26
• libcurl3-nss - 7.22.0-3ubuntu4.26
• libcurl3 - 7.22.0-3ubuntu4.26
• curl - 7.22.0-3ubuntu4.26

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

References

• CVE-2019-5436

Related notices

• USN-3993-1: libcurl4-doc, libcurl4-nss-dev, libcurl4-openssl-dev, libcurl3, libcurl3-gnutls, libcurl3-nss, libcurl4, libcurl4-gnutls-dev, curl