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Mozilla Firefox up to 82.x API denial of service
A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 82.x (Web Browser). This affects some unknown processing of the component API Handler. Upgrading to version 83.0 eliminates this vulnerability. The…
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A vulnerability, which was classified as problematic, was found in Mozilla Firefox up to 82.x (Web Browser). This affects some unknown processing of the component API Handler. Upgrading to version 83.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org.
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - Mozilla Firefox up to 82.x API denial of service
id: d6cb18bb-adc2-4e2d-b716-3521b5526d79
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 = "Mozilla Firefox up to 82.x API" ascii wide
condition:
any of them
}Infrastructure Blast Radius & Exposure
LOCALIZEDPerimeter & External Ingress
GEFÄHRDET (85%)
Lateral Movement & Pivot
Geringes Risiko
Data Stores & Crown Jewels
Geringes Risiko
Supply Chain & Cascading Reach
Geringes Risiko
SOCIAL SHARE CARD GENERATOR