CVE-2023-5175
CWE-416Published: September 27, 2023· Updated: Jun 17, 2026
Official Description
During process shutdown, it was possible that an `ImageBitmap` was created that would later be used after being freed from a different codepath, leading to a potentially exploitable crash. This vulnerability affects Firefox < 118.
Risk Analysis
Firefox contains a use-after-free vulnerability related to ImageBitmap processing during browser shutdown. This flaw could lead to a crash that is potentially exploitable for arbitrary code execution.
There is no known public exploit, and it is not in KEV. The vulnerability is remotely exploitable with low complexity.
Update to Firefox version 118 or later.
Technical Analysis
CVE-2023-5175 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-5175 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts