What happened
Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.
Affected versions
NetScaler ADC and Gateway: See original advisory Fixed: See vendor advisory.
Why it matters
This source correlation may provide earlier visibility while structured CVE metadata is still being updated.
Detection & mitigation
- Review the original advisory and validate affected versions.
- Apply vendor-provided updates or mitigations when available.
Public PoC references
RepositoryAuthorFirst seenReference
Exploit-DB 52401Citrix NetScaler ADC/Gateway 14.1 - Memory DisclosureYesith Alvarez2025-08-11VerifiedSploitusMemory leak in Citrix NetScaler via doAuthentication endpoint exposes uninitialized memory.KitPloit2026-09-03T23:14:58Candidatekitploit.comMemory leak in Citrix NetScaler via doAuthentication endpoint exposes uninitialized memory.ko2026-09-03T23:14:58CandidateSource timeline
Discovered through CISA Known Exploited VulnerabilitiesView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗
Record history
Record created from the first normalized source observation.
Metadata and source references refreshed.