Red Hat Security Advisory 2015-1693-01 – Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. A flaw was found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. A flaw was found in the way Firefox handled installation of add-ons. An attacker could use this flaw to bypass the add-on installation prompt, and trick the user into installing an add-on from a malicious source.

Ubuntu Security Notice 2723-1 – A use-after-free was discovered when resizing a canvas element during restyling in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. Bas Venis discovered that the addon install permission prompt could be bypassed using data: URLs in some circumstances. It was also discovered that the installation notification could be made to appear over another site. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to install a malicious addon. Various other issues were also addressed.

Ubuntu Security Notice 2725-1 – Seth Arnold discovered that ippusbxd in the cups-filters package would incorrectly listen to all configured network interfaces. A remote attacker could use this issue to possibly access locally-connected printers.

Debian Linux Security Advisory 3344-1 – Multiple vulnerabilities have been discovered in the PHP language.

HP Security Bulletin HPSBGN03402 2 – Potential security vulnerabilities have been identified in HP Performance Manager. The TLS vulnerability using US export-grade 512-bit keys in Diffie-Hellman key exchange known as “Logjam” could be exploited remotely to allow unauthorized modification. The RC4 stream cipher vulnerability in SSL/TLS known as “Bar Mitzvah” could be exploited remotely to allow disclosure of information. Revision 2 of this advisory.

Red Hat Security Advisory 2015-1691-01 – In accordance with the Red Hat Enterprise Developer Toolset Life Cycle policy, the Red Hat Developer Toolset Version 2 offering will be retired as of September 30, 2015, and support will no longer be provided. Accordingly, Red Hat will no longer provide updated packages, including Critical impact security patches or urgent priority bug fixes, for Developer Toolset Version 2 after September 30, 2015. In addition, technical support through Red Hat’s Global Support Services will no longer be provided for Red Hat Developer Toolset Version 2 after this date.

Ubuntu Security Notice 2724-1 – It was discovered that QEMU incorrectly handled a PRDT with zero complete sectors in the IDE functionality. A malicious guest could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Donghai Zhu discovered that QEMU incorrectly handled the RTL8139 driver. A malicious guest could possibly use this issue to read sensitive information from arbitrary host memory. Various other issues were also addressed.

HP Security Bulletin HPSBHF03408 1 – Potential security vulnerabilities have been identified in certain HP notebook PCs with the HP lt4112 LTE/HSPA+ Gobi 4G Module. The vulnerabilities could be exploited remotely to allow execution of arbitrary code. Revision 1 of this advisory.