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UnratedFix available

Security update for go1.27

Type: advisorySources: OSV

This update for go1.27 fixes the following issues: Update to go1.27.2 (bsc#1272545): - CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766). - CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767). - CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768). - CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769). - CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770). - CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771). - CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772). - CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773). - CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774). - CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775). - CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776). - CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777). - CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778). - CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779). - CVE-2026-97032: net/http: H

Products
go1.27
Affected versions
Not specified
Fixed versions
1.27.2-160000.1.1
CVEs
CVE-2026-56857, CVE-2026-56866, CVE-2026-78659, CVE-2026-78660, CVE-2026-78663, CVE-2026-78667, CVE-2026-78669, CVE-2026-94439, CVE-2026-94440, CVE-2026-94444, CVE-2026-94447, CVE-2026-94448, CVE-2026-97030, CVE-2026-97031, CVE-2026-97032
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 15:32 UTC · Revision 1

Source evidence

Security update for go1.27

core-osv · Original source

Published 13 Oct 2026, 12:03 UTC

This update for go1.27 fixes the following issues: Update to go1.27.2 (bsc#1272545): - CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766). - CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767). - CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768). - CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769). - CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770). - CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771). - CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772). - CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773). - CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774). - CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775). - CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776). - CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777). - CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778). - CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779). - CVE-2026-97032: net/http: H

osv:SUSE-SU-2026:24237-1

go1.27

Fixed versions: 1.27.2-160000.1.1

go1.27

Fixed versions: 1.27.2-160000.1.1

Complete source record
{
  "id": "c7916bb71f56b498c2134a997eea5476032fd148e7cd90952f882cec51c10b82",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24237-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for go1.27",
    "summary": "This update for go1.27 fixes the following issues: Update to go1.27.2 (bsc#1272545): - CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766). - CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767). - CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768). - CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769). - CVE-2026-78663: net/http: double flow control refund on HTTP/2 server streams (bsc#1284770). - CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771). - CVE-2026-78669: net/http: excessive CPU consumption from repeated initial window changes (bsc#1284772). - CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773). - CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774). - CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775). - CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776). - CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777). - CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778). - CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779). - CVE-2026-97032: net/http: H",
    "evidence": "osv:SUSE-SU-2026:24237-1",
    "products": [
      {
        "name": {
          "value": "go1.27",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.27.2-160000.1.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "go1.27",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.27.2-160000.1.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:24237-1",
      "aliases": [
        "SUSE-SU-2026:24237-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.27.2-160000.1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "go1.27",
            "purl": "pkg:rpm/suse/go1.27&distro=SUSE%20Linux%20Enterprise%20Server%2016.0",
            "ecosystem": "SUSE:Linux Enterprise Server 16.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24237-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "go1.27": "1.27.2-160000.1.1",
                "go1.27-doc": "1.27.2-160000.1.1",
                "go1.27-race": "1.27.2-160000.1.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.27.2-160000.1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "go1.27",
            "purl": "pkg:rpm/suse/go1.27&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0",
            "ecosystem": "SUSE:Linux Enterprise Server for SAP applications 16.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24237-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "go1.27": "1.27.2-160000.1.1",
                "go1.27-doc": "1.27.2-160000.1.1",
                "go1.27-race": "1.27.2-160000.1.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-21T17:23:11.742264883Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-56857",
        "CVE-2026-56866",
        "CVE-2026-78659",
        "CVE-2026-78660",
        "CVE-2026-78663",
        "CVE-2026-78667",
        "CVE-2026-78669",
        "CVE-2026-94439",
        "CVE-2026-94440",
        "CVE-2026-94444",
        "CVE-2026-94447",
        "CVE-2026-94448",
        "CVE-2026-97030",
        "CVE-2026-97031",
        "CVE-2026-97032"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-202624237-1/",
        "https://bugzilla.suse.com/1272545",
        "https://bugzilla.suse.com/1284766",
        "https://bugzilla.suse.com/1284767",
        "https://bugzilla.suse.com/1284768",
        "https://bugzilla.suse.com/1284769",
        "https://bugzilla.suse.com/1284770",
        "https://bugzilla.suse.com/1284771",
        "https://bugzilla.suse.com/1284772",
        "https://bugzilla.suse.com/1284773",
        "https://bugzilla.suse.com/1284774",
        "https://bugzilla.suse.com/1284775",
        "https://bugzilla.suse.com/1284776",
        "https://bugzilla.suse.com/1284777",
        "https://bugzilla.suse.com/1284778",
        "https://bugzilla.suse.com/1284779",
        "https://bugzilla.suse.com/1284780",
        "https://www.suse.com/security/cve/CVE-2026-56857",
        "https://www.suse.com/security/cve/CVE-2026-56866",
        "https://www.suse.com/security/cve/CVE-2026-78659",
        "https://www.suse.com/security/cve/CVE-2026-78660",
        "https://www.suse.com/security/cve/CVE-2026-78663",
        "https://www.suse.com/security/cve/CVE-2026-78667",
        "https://www.suse.com/security/cve/CVE-2026-78669",
        "https://www.suse.com/security/cve/CVE-2026-94439",
        "https://www.suse.com/security/cve/CVE-2026-94440",
        "https://www.suse.com/security/cve/CVE-2026-94444",
        "https://www.suse.com/security/cve/CVE-2026-94447",
        "https://www.suse.com/security/cve/CVE-2026-94448",
        "https://www.suse.com/security/cve/CVE-2026-97030",
        "https://www.suse.com/security/cve/CVE-2026-97031",
        "https://www.suse.com/security/cve/CVE-2026-97032"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-56857",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-56866",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-78659",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-78660",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-78663",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-78667",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-78669",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-94439",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-94440",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-94444",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-94447",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-94448",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-97030",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-97031",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-97032",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 397567,
  "published_at": "2026-10-13T12:03:33+00:00"
}