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GHSA-RPPG-589C-3659

Vulnerability from github – Published: 2025-08-26 15:31 – Updated: 2025-08-26 15:31

Details

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it

Severity

8.8 (High)


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

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  "aliases": [
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  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-26T13:15:33Z",
    "severity": "HIGH"
  },
  "details": "Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service\u00a0in\u00a0NetScaler ADC and NetScaler Gateway when\u00a0NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it",
  "id": "GHSA-rppg-589c-3659",
  "modified": "2025-08-26T15:31:00Z",
  "published": "2025-08-26T15:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-7776"
    },
    {
      "type": "WEB",
      "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
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}

CVE-2025-7776 (GCVE-0-2025-7776)

Vulnerability from cvelistv5 – Published: 2025-08-26 13:03 – Updated: 2025-08-27 14:33

Title

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

Summary

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-27 14:33 UTC

CWE

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

Assigner

Citrix mitre root

References

1 reference

URL	Tags
https://support.citrix.com/support-home/kbsearch/…

Impacted products

2 products

Vendor	Product	Version
NetScaler	ADC	Affected: 14.1 , < 47.48 (patch) Affected: 13.1 , < 59.22 (patch) Affected: 13.1 FIPS and NDcPP , < 37.241 (patch) Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)
NetScaler	Gateway	Affected: 14.1 , < 47.48 (patch) Affected: 13.1 , < 59.22 (patch) Affected: 13.1 FIPS and NDcPP , < 37.241 (patch) Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)

Date Public

2025-08-26 12:59

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-RPPG-589C-3659

CVE-2025-7776 (GCVE-0-2025-7776)

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