=========================================================================Ubuntu Security Notice USN-4545-1
September 25, 2020

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

- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libquicktime.

Software Description:
- libquicktime: Library for reading and writing quicktime files

Details:

It was discovered that libquicktime incorrectly handled certain malformed
MP4 files. If a user were tricked into opening a specially crafted MP4
file, a remote attacker could use this issue to cause a denial of service
(resource exhaustion). (CVE-2017-9122)

It was discovered that libquicktime incorrectly handled certain malformed
MP4 files. If a user were tricked into opening a specially crafted MP4
file, a remote attacker could use this issue to cause libquicktime to
crash, resulting in a denial of service. (CVE-2017-9123, CVE-2017-9124,
CVE-2017-9126, CVE-2017-9127, CVE-2017-9128)

It was discovered that libquicktime incorrectly handled certain malformed
MP4 files. If a user were tricked into opening a specially crafted MP4
file, a remote attacker could use this issue to cause a denial of service.
(CVE-2017-9125)

Update instructions:

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

Ubuntu 16.04 LTS:
  libquicktime2                   2:1.2.4-7+deb8u1ubuntu0.1
  quicktime-utils                 2:1.2.4-7+deb8u1ubuntu0.1
  quicktime-x11utils              2:1.2.4-7+deb8u1ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-4545-1
  CVE-2017-9122, CVE-2017-9123, CVE-2017-9124, CVE-2017-9125,
  CVE-2017-9126, CVE-2017-9127, CVE-2017-9128

Package Information:
  https://launchpad.net/ubuntu/+source/libquicktime/2:1.2.4-7+deb8u1ubuntu0.1