A vulnerability was found in Libevent up to 2.1.12/2.2.2-alpha. It has been declared as critical. Affected by this issue is the function decode_tag_internal of the file event_tagging.c. Such manipulation leads to out-of-bounds read. This vulnerability is uniquely identified as CVE-2026-63383. The attack can be launched remotely. No exploit exists.... Weiterlesen
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CVE-2026-63383 | Libevent up to 2.1.12/2.2.2-alpha event_tagging.c decode_tag_internal out-of-bounds (EUVD-2026-63502 / Nessus ID 343966)
A vulnerability was found in Libevent up to 2.1.12/2.2.2-alpha. It has been declared as critical. Affected by this issue is the function decode_tag_internal of the file event_tagging.c. Such manipulation leads to out-of-bounds read. This…
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CVE-2026-63383
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title: Detect Exploitation - CVE-2026-63383 | Libevent up to 2.1.12/2.2.2-alpha event_tagging.c decode_tag_internal out-of-bounds (EUVD-2026-63502 / Nessus ID 343966)
id: f7b35646-a3df-4316-bb7e-20d9f6c064f6
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-2026-63383 | Libevent up t" ascii wide
condition:
any of them
}INFRASTRUCTURE BLAST RADIUS & EXPOSURE
Live-Vektor: LOCAL
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GEFÄHRDET (80%)
Crown Jewels & DB
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Supply Chain Reach
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tsecurity.de Cognitive Threat RAG
Fokus-Vektor:
Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich CVE-2026-63383 | Libevent up to 2.1.12/2.... 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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