Vulnerability-Lookup

OPENSUSE-SU-2026:10299-1

Vulnerability from csaf_opensuse - Published: 2026-03-07 00:00 - Updated: 2026-03-07 00:00

Summary

go1.26-1.26.1-1.1 on GA media

Notes

Title of the patch

go1.26-1.26.1-1.1 on GA media

Description of the patch

These are all security issues fixed in the go1.26-1.26.1-1.1 package on the GA media of openSUSE Tumbleweed.

Patchnames

openSUSE-Tumbleweed-2026-10299

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

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  "vulnerabilities": [
    {
      "cve": "CVE-2026-25679",
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          "text": "https://www.suse.com/security/cve/CVE-2026-25679"
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          "text": "url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.",
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          "url": "https://bugzilla.suse.com/1259264"
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            "openSUSE Tumbleweed:go1.26-race-1.26.1-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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            "openSUSE Tumbleweed:go1.26-race-1.26.1-1.1.aarch64",
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            "openSUSE Tumbleweed:go1.26-race-1.26.1-1.1.s390x",
            "openSUSE Tumbleweed:go1.26-race-1.26.1-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-03-07T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-27142"
    }
  ]
}

CVE-2026-25679 (GCVE-0-2026-25679)

Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-10 13:37

Title

Incorrect parsing of IPv6 host literals in net/url

Summary

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

Severity ?

7.5 (High)


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

CWE

CWE-1286 - Improper Validation of Syntactic Correctness of Input

Assigner

References

URL

Tags

	https://go.dev/cl/752180
	https://go.dev/issue/77578
	https://groups.google.com/g/golang-announce/c/Edh…
	https://pkg.go.dev/vuln/GO-2026-4601

Impacted products

	Vendor	Product	Version
	Go standard library	net/url	Affected: 0 , < 1.25.8 (semver) Affected: 1.26.0-0 , < 1.26.1 (semver)

Credits

Masaki Hara (https://github.com/qnighy) of Wantedly

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "net/url",
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            {
              "name": "parseHost"
            },
            {
              "name": "JoinPath"
            },
            {
              "name": "Parse"
            },
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              "name": "ParseRequestURI"
            },
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              "name": "URL.Parse"
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              "name": "URL.UnmarshalBinary"
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      ],
      "credits": [
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        {
          "descriptions": [
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        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4601"
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      ],
      "title": "Incorrect parsing of IPv6 host literals in net/url"
    }
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  "cveMetadata": {
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}

CVE-2026-27138 (GCVE-0-2026-27138)

Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-10 13:35

Title

Panic in name constraint checking for malformed certificates in crypto/x509

Summary

Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the chain has excluded name constraints. This can crash programs that are either directly verifying X.509 certificate chains, or those that use TLS.

Severity ?

5.9 (Medium)


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

CWE

CWE-1285 - Improper Validation of Specified Index, Position, or Offset in Input

Assigner

References

URL

Tags

	https://groups.google.com/g/golang-announce/c/Edh…
	https://go.dev/issue/77953
	https://go.dev/cl/752183
	https://pkg.go.dev/vuln/GO-2026-4600

Impacted products

	Vendor	Product	Version
	Go standard library	crypto/x509	Affected: 1.26.0-0 , < 1.26.1 (semver)

Credits

Jakub Ciolek

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "affected": [
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          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "crypto/x509",
          "product": "crypto/x509",
          "programRoutines": [
            {
              "name": "dnsConstraints.query"
            },
            {
              "name": "Certificate.Verify"
            }
          ],
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          "versions": [
            {
              "lessThan": "1.26.1",
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          "url": "https://go.dev/cl/752183"
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          "url": "https://pkg.go.dev/vuln/GO-2026-4600"
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      "title": "Panic in name constraint checking for malformed certificates in crypto/x509"
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CVE-2026-27137 (GCVE-0-2026-27137)

Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-10 13:32

Title

Incorrect enforcement of email constraints in crypto/x509

Summary

When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.

Severity ?

7.5 (High)


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

CWE

CWE-295 - Improper Certificate Validation

Assigner

References

URL

Tags

	https://go.dev/cl/752182
	https://go.dev/issue/77952
	https://groups.google.com/g/golang-announce/c/Edh…
	https://pkg.go.dev/vuln/GO-2026-4599

Impacted products

	Vendor	Product	Version
	Go standard library	crypto/x509	Affected: 1.26.0-0 , < 1.26.1 (semver)

Credits

Jakub Ciolek

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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      }
    ],
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          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "crypto/x509",
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            {
              "name": "newEmailConstraints"
            },
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              "name": "emailConstraints.query"
            },
            {
              "name": "checkConstraints"
            },
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              "name": "checkChainConstraints"
            },
            {
              "name": "parseMailboxes"
            },
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              "name": "Certificate.Verify"
            }
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CVE-2026-27142 (GCVE-0-2026-27142)

Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-16 15:21

Title

URLs in meta content attribute actions are not escaped in html/template

Summary

Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added, htmlmetacontenturlescape, which can be used to disable escaping URLs in actions in the meta content attribute which follow "url=" by setting htmlmetacontenturlescape=0.

Severity ?

6.1 (Medium)


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

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

References

URL

Tags

	https://groups.google.com/g/golang-announce/c/Edh…
	https://go.dev/issue/77954
	https://go.dev/cl/752081
	https://pkg.go.dev/vuln/GO-2026-4603

Impacted products

	Vendor	Product	Version
	Go standard library	html/template	Affected: 0 , < 1.25.8 (semver) Affected: 1.26.0-0 , < 1.26.1 (semver)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
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              "userInteraction": "REQUIRED",
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        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "html/template",
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            {
              "name": "tTag"
            },
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            },
            {
              "name": "Template.Execute"
            },
            {
              "name": "Template.ExecuteTemplate"
            }
          ],
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      ],
      "title": "URLs in meta content attribute actions are not escaped in html/template"
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    "datePublished": "2026-03-06T21:28:14.674Z",
    "dateReserved": "2026-02-17T19:57:28.435Z",
    "dateUpdated": "2026-03-16T15:21:14.465Z",
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}

CVE-2026-27139 (GCVE-0-2026-27139)

Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-09 14:53

Title

FileInfo can escape from a Root in os

Summary

On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which the File was opened. The impact of this escape is limited to reading metadata provided by lstat from arbitrary locations on the filesystem without permitting reading or writing files outside the root.

Severity ?

2.5 (Low)


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

CWE

CWE-363 - Race Condition Enabling Link Following

Assigner

References

URL

Tags

	https://groups.google.com/g/golang-announce/c/Edh…
	https://go.dev/issue/77827
	https://go.dev/cl/749480
	https://pkg.go.dev/vuln/GO-2026-4602

Impacted products

	Vendor	Product	Version
	Go standard library	os	Affected: 0 , < 1.25.8 (semver) Affected: 1.26.0-0 , < 1.26.1 (semver)

Credits

Miloslav Trmač of Red Hat

Show details on NVD website

JSON

To clipboard

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            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 2.5,
              "baseSeverity": "LOW",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
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            {
              "name": "File.ReadDir"
            },
            {
              "name": "File.Readdir"
            },
            {
              "name": "ReadDir"
            },
            {
              "name": "dirFS.ReadDir"
            },
            {
              "name": "rootFS.ReadDir"
            }
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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-2026-27139 (GCVE-0-2026-27139)

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Nomenclature