Vulnerability-Lookup

Vulnerability from cleanstart

Published

2026-04-01 09:48

Modified

2026-03-16 16:39

Summary

Security fixes for CVE-2024-36537, CVE-2025-47910, CVE-2025-58183, CVE-2025-58185, CVE-2025-58187, CVE-2025-58188, CVE-2025-58189, CVE-2025-61723, CVE-2025-61724, CVE-2025-61725, CVE-2025-61726, CVE-2025-61727, CVE-2025-61728, CVE-2025-61729, CVE-2025-61730, CVE-2026-25518, ghsa-gx3x-vq4p-mhhv applied in versions: 2.4.0-r1, 2.4.0-r2

Details

Multiple security vulnerabilities affect the cert-manager-cmctl-fips package. These issues are resolved in later releases. See references for individual vulnerability details.

References

URL

Type

	https://github.com/cleanstart-dev/cleanstart-secu…	ADVISORY
	https://osv.dev/vulnerability/CVE-2024-36537	WEB
	https://osv.dev/vulnerability/CVE-2025-47910	WEB
	https://osv.dev/vulnerability/CVE-2025-58183	WEB
	https://osv.dev/vulnerability/CVE-2025-58185	WEB
	https://osv.dev/vulnerability/CVE-2025-58187	WEB
	https://osv.dev/vulnerability/CVE-2025-58188	WEB
	https://osv.dev/vulnerability/CVE-2025-58189	WEB
	https://osv.dev/vulnerability/CVE-2025-61723	WEB
	https://osv.dev/vulnerability/CVE-2025-61724	WEB
	https://osv.dev/vulnerability/CVE-2025-61725	WEB
	https://osv.dev/vulnerability/CVE-2025-61726	WEB
	https://osv.dev/vulnerability/CVE-2025-61727	WEB
	https://osv.dev/vulnerability/CVE-2025-61728	WEB
	https://osv.dev/vulnerability/CVE-2025-61729	WEB
	https://osv.dev/vulnerability/CVE-2025-61730	WEB
	https://osv.dev/vulnerability/CVE-2026-25518	WEB
	https://osv.dev/vulnerability/ghsa-gx3x-vq4p-mhhv	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2024-36537	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-47910	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-58183	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-58185	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-58187	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-58188	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-58189	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61723	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61724	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61725	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61726	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61727	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61728	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61729	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2025-61730	WEB
	https://nvd.nist.gov/vuln/detail/CVE-2026-25518	WEB

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "cert-manager-cmctl-fips"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.0-r2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Multiple security vulnerabilities affect the cert-manager-cmctl-fips package. These issues are resolved in later releases. See references for individual vulnerability details.",
  "id": "CLEANSTART-2026-OL32822",
  "modified": "2026-03-16T16:39:54Z",
  "published": "2026-04-01T09:48:17.130268Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-OL32822.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2024-36537"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-47910"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-58183"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-58185"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-58187"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-58188"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-58189"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61723"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61724"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61725"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61726"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61727"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61728"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61729"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-61730"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-25518"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-gx3x-vq4p-mhhv"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-36537"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47910"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58183"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58185"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58187"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58188"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58189"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61723"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61724"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61725"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61726"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61727"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61728"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61729"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61730"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25518"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "summary": "Security fixes for CVE-2024-36537, CVE-2025-47910, CVE-2025-58183, CVE-2025-58185, CVE-2025-58187, CVE-2025-58188, CVE-2025-58189, CVE-2025-61723, CVE-2025-61724, CVE-2025-61725, CVE-2025-61726, CVE-2025-61727, CVE-2025-61728, CVE-2025-61729, CVE-2025-61730, CVE-2026-25518, ghsa-gx3x-vq4p-mhhv applied in versions: 2.4.0-r1, 2.4.0-r2",
  "upstream": [
    "CVE-2024-36537",
    "CVE-2025-47910",
    "CVE-2025-58183",
    "CVE-2025-58185",
    "CVE-2025-58187",
    "CVE-2025-58188",
    "CVE-2025-58189",
    "CVE-2025-61723",
    "CVE-2025-61724",
    "CVE-2025-61725",
    "CVE-2025-61726",
    "CVE-2025-61727",
    "CVE-2025-61728",
    "CVE-2025-61729",
    "CVE-2025-61730",
    "CVE-2026-25518",
    "ghsa-gx3x-vq4p-mhhv"
  ]
}

CVE-2025-61726 (GCVE-0-2025-61726)

Vulnerability from cvelistv5 – Published: 2026-01-28 19:30 – Updated: 2026-01-29 18:31

Title

Memory exhaustion in query parameter parsing in net/url

Summary

The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encoded forms. Parsing a large form containing many unique query parameters can cause excessive memory consumption.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

References

4 references

URL	Tags
https://go.dev/cl/736712
https://go.dev/issue/77101
https://groups.google.com/g/golang-announce/c/Vd2…
https://pkg.go.dev/vuln/GO-2026-4341

Impacted products

1 product

Vendor	Product	Version
Go standard library	net/url	Affected: 0 , < 1.24.12 (semver) Affected: 1.25.0 , < 1.25.6 (semver)

Credits

jub0bs

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-61726",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-29T18:31:39.150633Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-29T18:31:59.685Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/url",
          "product": "net/url",
          "programRoutines": [
            {
              "name": "parseQuery"
            },
            {
              "name": "ParseQuery"
            },
            {
              "name": "URL.Query"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.24.12",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.25.6",
              "status": "affected",
              "version": "1.25.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "jub0bs"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The net/url package does not set a limit on the number of query parameters in a query. While the maximum size of query parameters in URLs is generally limited by the maximum request header size, the net/http.Request.ParseForm method can parse large URL-encoded forms. Parsing a large form containing many unique query parameters can cause excessive memory consumption."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-28T19:30:31.215Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/736712"
        },
        {
          "url": "https://go.dev/issue/77101"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4341"
        }
      ],
      "title": "Memory exhaustion in query parameter parsing in net/url"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2025-61726",
    "datePublished": "2026-01-28T19:30:31.215Z",
    "dateReserved": "2025-09-30T15:05:03.605Z",
    "dateUpdated": "2026-01-29T18:31:59.685Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-61727 (GCVE-0-2025-61727)

Vulnerability from cvelistv5 – Published: 2025-12-03 19:37 – Updated: 2025-12-03 22:06

Title

Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509

Summary

An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-295 - Improper Certificate Validation

Assigner

References

4 references

URL	Tags
https://go.dev/cl/723900
https://go.dev/issue/76442
https://groups.google.com/g/golang-announce/c/8FJ…
https://pkg.go.dev/vuln/GO-2025-4175

Impacted products

1 product

Vendor	Product	Version
Go standard library	crypto/x509	Affected: 0 , < 1.24.11 (semver) Affected: 1.25.0 , < 1.25.5 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-61727",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-03T22:06:13.958433Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-03T22:06:17.007Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "crypto/x509",
          "product": "crypto/x509",
          "programRoutines": [
            {
              "name": "Certificate.Verify"
            }
          ],
          "vendor": "Go standard library",
          "versions": [
            {
              "lessThan": "1.24.11",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "1.25.5",
              "status": "affected",
              "version": "1.25.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-295: Improper Certificate Validation",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-03T19:37:15.054Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/723900"
        },
        {
          "url": "https://go.dev/issue/76442"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/8FJoBkPddm4"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2025-4175"
        }
      ],
      "title": "Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2025-61727",
    "datePublished": "2025-12-03T19:37:15.054Z",
    "dateReserved": "2025-09-30T15:05:03.605Z",
    "dateUpdated": "2025-12-03T22:06:17.007Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-61728 (GCVE-0-2025-61728)

Vulnerability from cvelistv5 – Published: 2026-01-28 19:30 – Updated: 2026-01-29 18:30

Title

Excessive CPU consumption when building archive index in archive/zip

Summary

archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-407 - Inefficient Algorithmic Complexity

Assigner

References

5 references

URL	Tags
https://go.dev/cl/736713
https://go.dev/issue/77102
https://groups.google.com/g/golang-announce/c/Vd2…
https://pkg.go.dev/vuln/GO-2026-4342
http://www.openwall.com/lists/oss-security/2026/01/15/4

Impacted products

1 product

Vendor	Product	Version
Go standard library	archive/zip	Affected: 0 , < 1.24.12 (semver) Affected: 1.25.0 , < 1.25.6 (semver)

Credits

Jakub Ciolek

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-01-28T20:08:22.055Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/01/15/4"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-61728",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
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        "title": "CISA ADP Vulnrichment"
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          "defaultStatus": "unaffected",
          "packageName": "archive/zip",
          "product": "archive/zip",
          "programRoutines": [
            {
              "name": "Reader.initFileList"
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              "name": "Reader.Open"
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              "lessThan": "1.24.12",
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        {
          "lang": "en",
          "value": "Jakub Ciolek"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive."
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              "description": "CWE-407: Inefficient Algorithmic Complexity",
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        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4342"
        }
      ],
      "title": "Excessive CPU consumption when building archive index in archive/zip"
    }
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}

CVE-2025-61729 (GCVE-0-2025-61729)

Vulnerability from cvelistv5 – Published: 2025-12-02 18:54 – Updated: 2025-12-03 19:37

Title

Excessive resource consumption when printing error string for host certificate validation in crypto/x509

Summary

Within HostnameError.Error(), when constructing an error string, there is no limit to the number of hosts that will be printed out. Furthermore, the error string is constructed by repeated string concatenation, leading to quadratic runtime. Therefore, a certificate provided by a malicious actor can result in excessive resource consumption.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

References

4 references

URL	Tags
https://go.dev/cl/725920
https://go.dev/issue/76445
https://groups.google.com/g/golang-announce/c/8FJ…
https://pkg.go.dev/vuln/GO-2025-4155

Impacted products

1 product

Vendor	Product	Version
Go standard library	crypto/x509	Affected: 0 , < 1.24.11 (semver) Affected: 1.25.0 , < 1.25.5 (semver)

Credits

Philippe Antoine (Catena cyber)

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
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        "metrics": [
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CVE-2025-61730 (GCVE-0-2025-61730)

Vulnerability from cvelistv5 – Published: 2026-01-28 19:30 – Updated: 2026-02-02 17:28

Title

Handshake messages may be processed at the incorrect encryption level in crypto/tls

Summary

During the TLS 1.3 handshake if multiple messages are sent in records that span encryption level boundaries (for instance the Client Hello and Encrypted Extensions messages), the subsequent messages may be processed before the encryption level changes. This can cause some minor information disclosure if a network-local attacker can inject messages during the handshake.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-940 - Improper Verification of Source of a Communication Channel

Assigner

References

4 references

URL	Tags
https://go.dev/cl/724120
https://go.dev/issue/76443
https://groups.google.com/g/golang-announce/c/Vd2…
https://pkg.go.dev/vuln/GO-2026-4340

Impacted products

1 product

Vendor	Product	Version
Go standard library	crypto/tls	Affected: 0 , < 1.24.12 (semver) Affected: 1.25.0 , < 1.25.6 (semver)

Credits

Coia Prant (github.com/rbqvq)

Show details on NVD website

JSON

To clipboard

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              "name": "Conn.handleKeyUpdate"
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            },
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CVE-2026-25518 (GCVE-0-2026-25518)

Vulnerability from cvelistv5 – Published: 2026-02-04 21:18 – Updated: 2026-02-05 14:31

Title

cert-manager-controller DoS via Specially Crafted DNS Response

Summary

cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. In versions from 1.18.0 to before 1.18.5 and from 1.19.0 to before 1.19.3, the cert-manager-controller performs DNS lookups during ACME DNS-01 processing (for zone discovery and propagation self-checks). By default, these lookups use standard unencrypted DNS. An attacker who can intercept and modify DNS traffic from the cert-manager-controller pod can insert a crafted entry into cert-manager's DNS cache. Accessing this entry will trigger a panic, resulting in denial‑of‑service (DoS) of the cert-manager controller. The issue can also be exploited if the authoritative DNS server for the domain being validated is controlled by a malicious actor. This issue has been patched in versions 1.18.5 and 1.19.3.

Severity

5.9 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-129 - Improper Validation of Array Index
CWE-704 - Incorrect Type Conversion or Cast

Assigner

GitHub_M

References

7 references

URL	Tags
https://github.com/cert-manager/cert-manager/secu…	x_refsource_CONFIRM
https://github.com/cert-manager/cert-manager/pull/8467	x_refsource_MISC
https://github.com/cert-manager/cert-manager/pull/8468	x_refsource_MISC
https://github.com/cert-manager/cert-manager/pull/8469	x_refsource_MISC
https://github.com/cert-manager/cert-manager/comm…	x_refsource_MISC
https://github.com/cert-manager/cert-manager/comm…	x_refsource_MISC
https://github.com/cert-manager/cert-manager/comm…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
cert-manager	cert-manager	Affected: >= 1.18.0, < 1.18.5 Affected: >= 1.19.0, < 1.19.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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}

GHSA-GX3X-VQ4P-MHHV

Vulnerability from github – Published: 2026-02-02 22:11 – Updated: 2026-02-27 21:41

Summary

cert-manager-controller DoS via Specially Crafted DNS Response

Details

Impact

The cert-manager-controller performs DNS lookups during ACME DNS-01 processing (for zone discovery and propagation self-checks). By default, these lookups use standard unencrypted DNS.

An attacker who can intercept and modify DNS traffic from the cert-manager-controller pod can insert a crafted entry into cert-manager's DNS cache. Accessing this entry will trigger a panic, resulting in Denial of Service (DoS) of the cert-manager controller.

The issue can also be exploited if the authoritative DNS server for the domain being validated is controlled by a malicious actor.

Patches

The vulnerability was introduced in cert-manager v1.18.0 and has been patched in cert-manager v1.19.3 and v1.18.5, which are the supported minor releases at the time of publishing.

cert-manager versions prior to v1.18.0 are unaffected.

Workarounds

Using DNS-over-HTTPS reduces the risk of DNS traffic being intercepted and modified.
- Note that DNS-over-HTTPS does not prevent the risk of an attacker-controlled authoritative DNS server.

Resources

Fix for cert-manager 1.18: https://github.com/cert-manager/cert-manager/pull/8467
Fix for cert-manager 1.19: https://github.com/cert-manager/cert-manager/pull/8468
Fix for master branch: https://github.com/cert-manager/cert-manager/pull/8469

Credits

Huge thanks to Oleh Konko (@1seal) for reporting the issue, providing a detailed PoC and an initial patch!

Severity

5.9 (Medium)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cert-manager/cert-manager"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.18.0"
            },
            {
              "fixed": "1.18.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/cert-manager/cert-manager"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.19.0"
            },
            {
              "fixed": "1.19.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-25518"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-129",
      "CWE-704"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-02T22:11:06Z",
    "nvd_published_at": "2026-02-04T22:15:58Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nThe cert-manager-controller performs DNS lookups during ACME DNS-01 processing (for zone discovery and propagation self-checks). By default, these lookups use standard unencrypted DNS.\n\nAn attacker who can intercept and modify DNS traffic from the cert-manager-controller pod can insert a crafted entry into cert-manager\u0027s DNS cache. Accessing this entry will trigger a panic, resulting in Denial of Service (DoS) of the cert-manager controller.\n\nThe issue can also be exploited if the authoritative DNS server for the domain being validated is controlled by a malicious actor.\n\n### Patches\n\nThe vulnerability was introduced in cert-manager v1.18.0 and has been patched in cert-manager v1.19.3 and v1.18.5, which are the supported minor releases at the time of publishing.\n\ncert-manager versions prior to v1.18.0 are unaffected.\n\n### Workarounds\n\n- Using DNS-over-HTTPS reduces the risk of DNS traffic being intercepted and modified.\n    - Note that DNS-over-HTTPS does *not* prevent the risk of an attacker-controlled authoritative DNS server.\n\n### Resources\n\n- Fix for cert-manager 1.18: https://github.com/cert-manager/cert-manager/pull/8467\n- Fix for cert-manager 1.19: https://github.com/cert-manager/cert-manager/pull/8468\n- Fix for master branch: https://github.com/cert-manager/cert-manager/pull/8469\n\n### Credits\n\nHuge thanks to Oleh Konko (@1seal) for reporting the issue, providing a detailed PoC and an initial patch!",
  "id": "GHSA-gx3x-vq4p-mhhv",
  "modified": "2026-02-27T21:41:50Z",
  "published": "2026-02-02T22:11:06Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/security/advisories/GHSA-gx3x-vq4p-mhhv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-25518"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/pull/8467"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/pull/8468"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/pull/8469"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/commit/409fc24e539711a07aae45ed45abbe03dfdad2cc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/commit/9a73a0b3853035827edd37ac463e4803ba10327d"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cert-manager/cert-manager/commit/d4faed26ae12115cceb807cdc12507ebc28980e2"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/cert-manager/cert-manager"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2026-4399"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "cert-manager-controller DoS via Specially Crafted DNS Response"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

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CVE-2025-61729 (GCVE-0-2025-61729)

CVE-2025-61730 (GCVE-0-2025-61730)

CVE-2026-25518 (GCVE-0-2026-25518)

GHSA-GX3X-VQ4P-MHHV

Impact

Patches

Workarounds

Resources

Credits

Tags

Sightings

Nomenclature