Denial of Service Vulnerability in Mozilla Firefox Affected by Shared Memory Access
CVE-2015-4484

Currently unrated

Key Information:

Vendor: Canonical
Status: Ubuntu Linux; Opensuse
Vendor: CVE Published:; 16 August 2015

What is CVE-2015-4484?

The vulnerability resides in the JavaScript engine of Mozilla Firefox, specifically within the js::jit::AssemblerX86Shared::lock_addl function. Attackers can exploit this flaw to trigger a denial of service by manipulating shared memory. By accessing an Atomics object or a SharedArrayBuffer object, remote attackers may cause the application to crash, disrupting user activity and compromising system reliability. Immediate updates to the affected versions are recommended to mitigate risks.

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