Vulnerability Database

300,830

Total vulnerabilities in the database

CVE-2015-4487

The nsTSubstring::ReplacePrep function in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors, related to an "overflow."

  • Published: Aug 16, 2015
  • Updated: Nov 9, 2025
  • CVE: CVE-2015-4487
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
mozilla / firefox - 39.0.3.x
mozilla / firefox_os - 2.1.0.x
canonical / ubuntu_linux 12.04 12.04.x
canonical / ubuntu_linux 14.04 14.04.x
canonical / ubuntu_linux 15.04 15.04.x
opensuse / opensuse 13.1 13.1.x
opensuse / opensuse 13.2 13.2.x
oracle / solaris 11.3 11.3.x
mozilla / firefox 38.0 38.0.x
mozilla / firefox 38.0.1 38.0.1.x
mozilla / firefox 38.0.5 38.0.5.x
mozilla / firefox 38.1.0 38.1.0.x