Summary
Ein Angreifer kann mehrere Schwachstellen in Citrix Systems NetScaler ADC und Gateway ausnutzen, um einen Denial-of-Service-Angriff auszulösen, vertrauliche Informationen offenzulegen oder nicht näher spezifizierte Angriffe mit hohen Auswirkungen auf Vertraulichkeit, Integrität und Verfügbarkeit durchzuführen.
Product
Citrix NetScaler ist eine integrierte Lösung für die Beschleunigung, das Traffic Management und die Sicherheit von Web-Applikationen. Citrix Access Gateway ist ein universell einsetzbares SSL-VPN. Advanced Access Control (AAC) ermöglichen es Administratoren, Zugriffsregeln für das Access Gateway festzulegen.
Vulnerabilities 28
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Critical 9.5
Multiple Memory overflow vulnerabilities can lead to unpredictable or erroneous behavior and Denial of Service in Citri…
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Critical 9.3
Memory overflow in SMPP traffic can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler
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Critical 9.3
Memory corruption in DNS / DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or Denial of Service in…
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Critical 9.3
Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Cit…
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Critical 9.3
Memory overflow in NetScaler Push can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetSca…
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Critical 9.3
Memory overflow in Email OTP authentication can lead to unpredictable or erroneous behavior or Denial of Service in Cit…
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Critical 9.3
Memory overflow in Endpoint Analysis (EPA/EPAS) can lead to unpredictable or erroneous behavior or a Denial of Service …
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Critical 9.3
Memory overflow in ICA proxy can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler A…
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Critical 9.3
Memory overflow in Packet Processing can lead to unpredictable or erroneous behavior or Denial of Service in NetScaler …
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High 8.7
Memory overflow in RTSP ALG can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler
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High 8.7
Memory overflow in SAML authentication can lead to unpredictable or erroneous behavior or Denial of Service in Citrix N…
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High 8.7
Memory overflow in WebAuth authentication can lead to unpredictable or erroneous behavior or Denial of Service in Citri…
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High 8.7
Memory overflow in Base64 decoding in advanced policy expressions leading to unpredictable or erroneous behavior or Den…
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High 8.7
Memory overflow in KBA (knowledge-based authentication) can lead to unpredictable or erroneous behavior or Denial of Se…
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High 8.7
Memory overflow in client-certificate authentication can lead to unpredictable or erroneous behavior or Denial of Servi…
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High 8.7
Memory overflow in LDAP authentication can lead to unpredictable or erroneous behavior or Denial of Service in Citrix N…
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High 8.7
Memory overflow in protocol load-balancing traffic handling (Diameter, SIP-over-TCP, MQTT, RADIUS) can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway
Memory overflow in protocol load-balancing traffic handling (Diameter, SIP-over-TCP, MQTT, RADIUS) can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScaler ADC and Citrix NetScaler Gateway.
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High 8.7
Memory overflow / improper handling in GSLB and geolocation (MEP, static-proximity, config-sync) can lead to unpredicta…
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High 8.7
Memory overflow in SIP ALG (LSN) and DNS answer-section logging datapaths can lead to unpredictable or erroneous behavi…
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High 8.7
Memory overflow in the management plane can lead to unpredictable or erroneous behavior or Denial of Service in Citrix …
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High 8.7
Memory overflow in HTTP/3 (QUIC) can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScal…
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High 8.7
Memory overflow in SSL/TLS/DTLS can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetScale…
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High 8.3
Memory overflow in HTTP/2 handling can lead to unpredictable or erroneous behavior or Denial of Service in Citrix NetSc…
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High 7.7
Memory overflow / improper handling in BGP dynamic routing can lead to unpredictable or erroneous behavior or Denial of…
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Medium 6.9
Memory overflow in an authentication request can lead to unpredictable or erroneous behavior or Denial of Service in Ci…
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Medium 6.9
Improper request handling can lead to a denial-of-service / reboot-loop condition in Citrix NetScaler ADC and Citrix Ne…
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Medium 6.9
Sensitive authentication material written to a log file in Citrix NetScaler ADC and Citrix NetScaler Gateway.
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Medium 6.9
Memory overflow in Application Firewall data decompression/inspection can lead to unpredictable or erroneous behavior o…
Revision history
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#1
Initiale Fassung
References
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CitrixSecurity Bulletin vom 2026-11-12
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697305