Multiple security issues have been found in Iceweasel, Debian's version of the Mozilla Firefox web browser. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2015-4497 Jean-Max Reymond and Ucha Gobejishvili discovered a use-after-free vulnerability which occurs when resizing of a canvas element is triggered in concert with style changes. A web page containing malicious content can cause Iceweasel to crash, or potentially, execute arbitrary code with the privileges of the user running Iceweasel. CVE-2015-4498 Bas Venis reported a flaw in the handling of add-ons installation. A remote attacker can take advantage of this flaw to bypass the add-on installation prompt and trick a user into installing an add-on from a malicious source. For the oldstable distribution (wheezy), these problems have been fixed in version 38.2.1esr-1~deb7u1. For the stable distribution (jessie), these problems have been fixed in version 38.2.1esr-1~deb8u1. For the unstable distribution (sid), these problems have been fixed in version 38.2.1esr-1. We recommend that you upgrade your iceweasel packages.
Multiple security issues have been found in Iceweasel, Debian's version of the Mozilla Firefox web browser. The Common Vulnerabilities and Exposures project identifies the following problems:
Jean-Max Reymond and Ucha Gobejishvili discovered a use-after-free vulnerability which occurs when resizing of a canvas element is triggered in concert with style changes. A web page containing malicious content can cause Iceweasel to crash, or potentially, execute arbitrary code with the privileges of the user running Iceweasel.
Bas Venis reported a flaw in the handling of add-ons installation. A remote attacker can take advantage of this flaw to bypass the add-on installation prompt and trick a user into installing an add-on from a malicious source.
For the oldstable distribution (wheezy), these problems have been fixed in version 38.2.1esr-1~deb7u1.
For the stable distribution (jessie), these problems have been fixed in version 38.2.1esr-1~deb8u1.
For the unstable distribution (sid), these problems have been fixed in version 38.2.1esr-1.
We recommend that you upgrade your iceweasel packages.