Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : firefox vulnerabilities (USN-3111-1)
High Nessus Plugin ID 94351
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionA use-after-free was discovered in service workers. 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 program crash, or execute arbitrary code. (CVE-2016-5287)
It was discovered that web content could access information in the HTTP cache in some circumstances. An attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5288).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected firefox package.