Mozilla Firefox and Thunderbird Use-After-Free Vulnerability in DocAccessible::ProcessInvalidationList Function

CVE-2016-5276 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

Use-after-free vulnerability in the mozilla::a11y::DocAccessible::ProcessInvalidationList function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via an aria-owns attribute.

Learn more about our Cis Benchmark Audit For Mozilla Firefox.