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THREATINT
PUBLISHED

CVE-2025-6543

Memory overflow vulnerability leading to unintended control flow and Denial of Service



Description

Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

Reserved 2025-06-23 | Published 2025-06-25 | Updated 2025-06-25 | Assigner Citrix


CRITICAL: 9.2CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Problem types

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Product status

Default status
unaffected

14.1 before 47.46
affected

13.1 before 59.19
affected

13.1 FIPS and NDcPP before 37.236
affected

Default status
unaffected

14.1 before 47.46
affected

13.1 before 59.19
affected

13.1 FIPS and NDcPP before 37.236
affected

References

support.citrix.com/...search/article?articleNumber=CTX694788

cve.org (CVE-2025-6543)

nvd.nist.gov (CVE-2025-6543)

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