mozilla firefox CVE-2023-6873 vulnerability in Mozilla and Other Products
Published on December 19, 2023

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Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2023-6873 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2023-6873 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2023-6873

You can be notified by stack.watch whenever vulnerabilities like CVE-2023-6873 are published in these products:

Mozilla Firefox
 
Debian Linux
 
Canonical Ubuntu Linux
 

What versions are vulnerable to CVE-2023-6873?