Buffer Overflow Vulnerability in Firefox by Mozilla
CVE-2025-10535

7.5HIGH

Key Information:

Vendor

Mozilla
Status
Firefox
Vendor
CVE Published:
16 September 2025

What is CVE-2025-10535?

A buffer overflow vulnerability exists in Firefox versions prior to 143. This issue could potentially allow attackers to execute arbitrary code by exploiting memory processes. Users are advised to upgrade to the latest version to mitigate this security risk and ensure a safer browsing experience.

Affected Version(s)

Firefox < 143

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1979918
https://www.mozilla.org/security/advisories/mfsa2025-73/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rebeca Tudor
JSON
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CVE-2025-10535 : Buffer Overflow Vulnerability in Firefox by Mozilla