A vulnerability classified as critical has been found in Mozilla Firefox up to 40. This affects an unknown part of the component Browser Engine. The manipulation leads to memory corruption.
This vulnerability is uniquely identified as CVE-2015-4500. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
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CVE-2015-4500 | Mozilla Firefox up to 40 Browser Engine memory corruption (USN-2743-1 / BID-76816)
A vulnerability classified as critical has been found in Mozilla Firefox up to 40. This affects an unknown part of the component Browser Engine. The manipulation leads to memory corruption. This vulnerability is uniquely identified as…
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CVE-2015-4500
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title: Detect Exploitation - CVE-2015-4500 | Mozilla Firefox up to 40 Browser Engine memory corruption (USN-2743-1 / BID-76816)
id: 62b2cc72-99d7-41d7-af66-7cb1f1e6aecb
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2015-4500 | Mozilla Firefo" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
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tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2015-4500 | Mozilla Firefox up to 40.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
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Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
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