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Vulnerability Intelligence Report

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."

No Active Exploit Signals
CVSS Base Score
7.5
HIGH
EPSS Probability:3.82%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions

Vendor Product Affected Versions
mozilla firefox 38.0, 38.0.1, 38.0.5, 38.1.0
mozilla firefox_os all
canonical ubuntu_linux 12.04, 14.04, 15.04
opensuse opensuse 13.1, 13.2
oracle solaris 11.3

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

EPSS Score
3.825%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityMozilla Corporation · Vendor · USA
Reserved2015-06-10T00:00:00
Published2015-08-16T01:00:00
Patch Date2015-08-11
Last Updated2024-08-06T06:18:11

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