A vulnerability categorized as problematic has been discovered in zlib 1.2.8. This affects an unknown function in the library zlib of the file inffast.c of the component Pointer Arithmetic. Such manipulation leads to numeric error.
This vulnerability is listed as CVE-2016-9841. The attack may be performed from remote. There is no available exploit.
It is advisable to upgrade the affected component.
Intelligence View
⚡ tsecurity.de Intelligence
CVE-2016-9841 | zlib 1.2.8 Pointer Arithmetic inffast.c numeric error (RHSA-2017:1220 / Nessus ID 96691)
A vulnerability categorized as problematic has been discovered in zlib 1.2.8. This affects an unknown function in the library zlib of the file inffast.c of the component Pointer Arithmetic. Such manipulation leads to numeric error. This…
Reagiere als Erste:r — dein Feedback zählt!
IoC Intelligence (1 Indikatoren)
CVE-2016-9841
IR-PLAYBOOK-VULN-REMEDIATIONMEDIUM
Schritte anzeigen
SOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA RulesSOC Ready
Regeln anzeigen
title: Detect Exploitation - CVE-2016-9841 | zlib 1.2.8 Pointer Arithmetic inffast.c numeric error (RHSA-2017:1220 / Nessus ID 96691)
id: cf829faa-f9d2-49cc-9b2a-0c11938525a6
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-2016-9841 | zlib 1.2.8 Poi" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
LOCALIZED
Perimeter & Ingress
Geringes Risiko
Lateral Pivot & AD
Geringes Risiko
Crown Jewels & DB
Geringes Risiko
Supply Chain Reach
GEFÄHRDET (90%)
tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2016-9841 | zlib 1.2.8 Pointer Arith.... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.
🛡️ Angriffsfläche & Exposure
Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.
⚡ Empfohlene Sofortmaßnahmen
- 1. Perimeter-Inspektion: Relevante Portfreigaben und exponierte Endpunkte unverzüglich scannen.
- 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
- 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
🔗 Semantisch verwandte Zero-Days
MariaDB 11.7 VEC
Synthetische RAG-Antwort
SOCIAL SHARE CARD GENERATOR