Learn about CVE-2020-26952, a Firefox vulnerability < 83 leading to memory corruption and crashes. Find mitigation steps and updates to secure your system.
A vulnerability in Firefox < 83 could lead to memory corruption and potentially exploitable crashes when handling out-of-memory errors.
Understanding CVE-2020-26952
What is CVE-2020-26952?
The vulnerability arises from incorrect bookkeeping of functions inlined during JIT compilation in Firefox versions prior to 83.
The Impact of CVE-2020-26952
The vulnerability could result in memory corruption and potentially exploitable crashes, posing a security risk to users of affected Firefox versions.
Technical Details of CVE-2020-26952
Vulnerability Description
The issue stems from mishandling JITed, inlined functions during out-of-memory errors, leading to memory corruption.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability could be exploited to trigger memory corruption and potentially cause crashes in Firefox.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Apply patches and updates provided by Mozilla to address security vulnerabilities in Firefox.