CVE-2025-1937:The CVE-2025-1937 is a high severity vulnerability in Mozilla's Firefox, Firefox ESR, and Thunderbird products. It involves memory safety bugs that could potentially be exploited to run arbitrary code.

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The vulnerability CVE-2025-1937 is a memory safety issue that was discovered in Mozilla's Firefox, Firefox ESR, and Thunderbird products. The versions affected are Firefox versions less than 136, Firefox ESR versions less than 115.21 and 128.8, and Thunderbird versions less than 136 and 128.8. The memory safety bugs present in these versions showed evidence of memory corruption and it is presumed that with enough effort, some of these could have been exploited to run arbitrary code. This vulnerability was discovered and reported by the Mozilla Fuzzing Team and Andrew McCreight.

Overview

The vulnerability is associated with the improper handling of overlap between protected memory ranges (CWE-1260). The CVSS base score is 7.5, indicating a high severity level. The attack vector is network-based, requiring user interaction, and can have a high impact on confidentiality, integrity, and availability.

Remediation

Users are advised to update their Firefox, Firefox ESR, and Thunderbird products to the latest versions to mitigate this vulnerability. Specifically, users should update to Firefox version 136 or later, Firefox ESR version 115.21 or later, and Thunderbird version 136 or later.

References

  1. Mozilla Bug Report
  2. Mozilla Security Advisory 2025-14
  3. Mozilla Security Advisory 2025-15
  4. Mozilla Security Advisory 2025-16
  5. Mozilla Security Advisory 2025-17
  6. Mozilla Security Advisory 2025-18
  7. OpenWall Security List

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Health Care & Social Assistance
    Health Care & Social Assistance
  2. Public Administration
    Public Administration
  3. Manufacturing
    Manufacturing
  4. Educational Services
    Educational Services
  5. Finance and Insurance
    Finance and Insurance
  6. Transportation & Warehousing
    Transportation & Warehousing
  7. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  8. Utilities
    Utilities
  9. Retail Trade
    Retail Trade
  10. Other Services (except Public Administration)
    Other Services (except Public Administration)
  11. Information
    Information
  12. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  13. Management of Companies & Enterprises
    Management of Companies & Enterprises
  14. Mining
    Mining
  15. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  16. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  17. Accommodation & Food Services
    Accommodation & Food Services
  18. Construction
    Construction
  19. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  20. Wholesale Trade
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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Armis Vulnerability Intelligence Database