Heap-based Buffer Overflow in Mozilla Firefox, Thunderbird, and SeaMonkey
CVE-2014-1523

6.5MEDIUM

Key Information:

Vendor: Mozilla
Status: Thunderbird; Firefox; Firefox Esr; Seamonkey
Vendor: CVE Published:; 30 April 2014

What is CVE-2014-1523?

A vulnerability in Mozilla's Firefox, Thunderbird, and SeaMonkey products allows remote attackers to exploit a heap-based buffer overflow in the read_u32 function. By providing a specially crafted JPEG image, attackers can trigger an out-of-bounds read, leading to application crashes and denial of service. Users and administrators are encouraged to apply the latest patches to mitigate this vulnerability.