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Updated golang packages fix security vulnerabilities

Type: advisorySources: OSV

net/http: HTTP/2 server crash due to HPACK encoder race net/http: HTTP/2 server memory exhaustion due to Trailer headers crypto/tls: reject malformed ECH outer extension references cmd/go: checksum bypass for golang.org/fips140 cmd/go: checksum database bypass for golang.org/toolchain html/template: reset context tracking on consecutive template expressions html/template: recognize |yield| as regexp preceder keyword net/textproto, mime/multipart: memory limit bypass when parsing MIME headers net/http: HTTP/1 client connection desynchronization after CONNECT rejection net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response net/http: excessive CPU consumption from repeated initial window changes net/http: HTTP/2 transport accepts malformed framing-related headers net/http: lack of limit on size of parsed Range headers net/http: double flow control refund on HTTP/2 server streams

Products
golang
Affected versions
Not specified
Fixed versions
1.26.9-1.mga10
CVEs
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
30 Oct 2026, 08:56 UTC · Revision 1

Source evidence

Updated golang packages fix security vulnerabilities

core-osv · Original source

Published 13 Oct 2026, 01:20 UTC

net/http: HTTP/2 server crash due to HPACK encoder race net/http: HTTP/2 server memory exhaustion due to Trailer headers crypto/tls: reject malformed ECH outer extension references cmd/go: checksum bypass for golang.org/fips140 cmd/go: checksum database bypass for golang.org/toolchain html/template: reset context tracking on consecutive template expressions html/template: recognize |yield| as regexp preceder keyword net/textproto, mime/multipart: memory limit bypass when parsing MIME headers net/http: HTTP/1 client connection desynchronization after CONNECT rejection net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response net/http: excessive CPU consumption from repeated initial window changes net/http: HTTP/2 transport accepts malformed framing-related headers net/http: lack of limit on size of parsed Range headers net/http: double flow control refund on HTTP/2 server streams

osv:MGASA-2026-0497

golang

Fixed versions: 1.26.9-1.mga10

Complete source record
{
  "id": "83237956cd099b5935d27dff0dc973b36d89407bb6fbc1172c0dd681a0fb9055",
  "url": "https://osv.dev/vulnerability/MGASA-2026-0497",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Updated golang packages fix security vulnerabilities",
    "summary": "net/http: HTTP/2 server crash due to HPACK encoder race net/http: HTTP/2 server memory exhaustion due to Trailer headers crypto/tls: reject malformed ECH outer extension references cmd/go: checksum bypass for golang.org/fips140 cmd/go: checksum database bypass for golang.org/toolchain html/template: reset context tracking on consecutive template expressions html/template: recognize |yield| as regexp preceder keyword net/textproto, mime/multipart: memory limit bypass when parsing MIME headers net/http: HTTP/1 client connection desynchronization after CONNECT rejection net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response net/http: excessive CPU consumption from repeated initial window changes net/http: HTTP/2 transport accepts malformed framing-related headers net/http: lack of limit on size of parsed Range headers net/http: double flow control refund on HTTP/2 server streams",
    "evidence": "osv:MGASA-2026-0497",
    "products": [
      {
        "name": {
          "value": "golang",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.26.9-1.mga10",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "MGASA-2026-0497",
      "aliases": [
        "MGASA-2026-0497"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.26.9-1.mga10"
                }
              ]
            }
          ],
          "package": {
            "name": "golang",
            "purl": "pkg:rpm/mageia/golang?arch=source&distro=mageia-10",
            "ecosystem": "Mageia:10"
          },
          "database_specific": {
            "source": "https://advisories.mageia.org/MGASA-2026-0497.json"
          },
          "ecosystem_specific": {
            "section": "core"
          }
        }
      ],
      "modified": "2026-10-13T01:42:53.609450881Z",
      "provider": "osv",
      "upstream": [
        "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://advisories.mageia.org/MGASA-2026-0497.html",
        "https://bugs.mageia.org/show_bug.cgi?id=36481",
        "https://www.openwall.com/lists/oss-security/2026/10/08/9"
      ]
    },
    "related_cves": [
      {
        "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": 307152,
  "published_at": "2026-10-13T01:20:53+00:00"
}