USN-3566-2: PHP vulnerabilities

22 May 2019

Several security issues were fixed in PHP.

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Releases

Packages

  • php5 - HTML-embedded scripting language interpreter

Details

USN-3566-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

It was discovered that PHP incorrectly handled certain files. An attacker
could possibly use this issue to access sensitive information.
(CVE-2018-20783)

It was discovered that PHP incorrectly handled certain files. An attacker
could possibly use this issue to access sensitive information or possibly
cause a crash, resulting in a denial of service. (CVE-2019-11036)

Original advisory details:

It was discovered that PHP incorrectly handled memory when unserializing
certain data. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 12.04 ESM. (CVE-2017-12933)

It was discovered that PHP incorrectly handled locale length. A remote attacker
could possibly use this issue to cause PHP to crash, resulting in a denial of service.
This issue only affected Ubuntu 12.04 ESM. (CVE-2017-11362)

It was discovered that PHP incorrectly handled certain stream metadata. A remote
attacker could possibly use this issue to set arbitrary metadata. This issue only
affected Ubuntu 12.04 ESM. (CVE-2016-10712)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.