alsa-2026:38995
Vulnerability from osv_almalinux
Published
2026-07-13 00:00
Modified
2026-07-14 09:10
Summary
Important: go-toolset:rhel8 security, bug fix, and enhancement update
Details

Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.

Security Fix(es):

  • golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)
  • crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)
  • os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822)

Bug Fix(es) and Enhancement(s):

  • Update Go to version 1.26.5+1 [almalinux-8.10.z] (JIRA:AlmaLinux-193478)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "delve"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.1-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "go-toolset"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang-bin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang-docs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang-misc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang-race"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang-src"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "golang-tests"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.5-1.module_el8.10.0+4223+bd807c2e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.   \n\nSecurity Fix(es):  \n\n  * golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)\n  * crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)\n  * os: golang: Go os.Root: Symlink following vulnerability allows directory traversal (CVE-2026-39822)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update Go to version 1.26.5+1 [almalinux-8.10.z] (JIRA:AlmaLinux-193478)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:38995",
  "modified": "2026-07-14T09:10:39Z",
  "published": "2026-07-13T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:38995"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-27145"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-39821"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-39822"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2480756"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2484207"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2498152"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-38995.html"
    }
  ],
  "related": [
    "CVE-2026-39821",
    "CVE-2026-27145",
    "CVE-2026-39822"
  ],
  "summary": "Important: go-toolset:rhel8 security, bug fix, and enhancement update"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.