CVSS 3.1 Score 7.5 of 10 (high)


Published Aug 1, 2023
Updated: Aug 9, 2023


CVE-2023-4055 is a vulnerability that affects Firefox versions before 116, Firefox ESR versions before 102.14, and Firefox ESR versions before 115.1. When the number of cookies per domain exceeds the limit in `document.cookie`, it can cause requests to be sent with some cookies missing. This vulnerability poses a high risk as it has a base severity rating of HIGH and an exploitability score of 3.9, indicating that it can be easily exploited over a network without requiring any privileges or user interaction. The integrity impact is also rated as HIGH, meaning it has the potential to significantly affect the integrity of the affected systems. To remediate this vulnerability, users should update their Firefox browser to version 116 or later for regular Firefox, and version 102.14 or later for Firefox ESR.


Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2023-4055 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options