cvelistv5 - cve-2025-11931

CVE-2025-11931 (GCVE-0-2025-11931)

Vulnerability from cvelistv5 – Published: 2025-11-21 22:57 – Updated: 2025-11-24 15:42

Summary

Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wc_XChaCha20Poly1305_Decrypt() which is not used with TLS connections, only from direct calls from an application.

Severity ?

2.1 (Low)


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

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

wolfSSL

References

URL

Tags

https://github.com/wolfSSL/wolfssl/pull/9223

Impacted products

	Vendor	Product	Version
	wolfSSL	wolfSSL	Affected: 5.8.4

Credits

Luigino Camastra from Aisle Research

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-11931

Vulnerability from fkie_nvd - Published: 2025-11-21 23:15 - Updated: 2025-12-04 16:21

Severity ?

8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Summary

References

	URL	Tags
	facts@wolfssl.com	https://github.com/wolfSSL/wolfssl/pull/9223	Issue Tracking, Patch

Impacted products

	Vendor	Product	Version
	wolfssl	wolfssl	5.8.4

JSON

To clipboard

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GHSA-H957-386Q-GM5J

Vulnerability from github – Published: 2025-11-22 00:31 – Updated: 2025-12-04 18:30

Details

Severity ?

8.2 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

2.1 (Low)


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

Show details on source website

JSON

To clipboard

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  "id": "GHSA-h957-386q-gm5j",
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  "published": "2025-11-22T00:31:21Z",
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MSRC_CVE-2025-11931

Vulnerability from csaf_microsoft - Published: 2025-11-02 00:00 - Updated: 2025-12-03 01:36

Summary

Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt

Notes

Additional Resources

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

Disclaimer

The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

JSON

To clipboard

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        "title": "Additional Resources"
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        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
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                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              },
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "category": "product_name",
            "name": "cbl2 mariadb 10.6.21-1",
            "product": {
              "name": "cbl2 mariadb 10.6.21-1",
              "product_id": "1"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 mariadb 10.11.11-1",
            "product": {
              "name": "azl3 mariadb 10.11.11-1",
              "product_id": "2"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 mariadb 10.6.21-1 as a component of CBL Mariner 2.0",
          "product_id": "17086-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 mariadb 10.11.11-1 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-11931",
      "cwe": {
        "id": "CWE-191",
        "name": "Integer Underflow (Wrap or Wraparound)"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17086-1",
            "17084-2"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "wolfSSL",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "17086-1",
          "17084-2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-11931 Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-11931.json"
        }
      ],
      "title": "Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2025-11931 (GCVE-0-2025-11931)

FKIE_CVE-2025-11931

GHSA-H957-386Q-GM5J

MSRC_CVE-2025-11931

Tags

Sightings

Nomenclature