mutt: Fix of 6 CVEs

{
  "id": "37259a479bd1554d7f77b9e800d061c424a16be252db886f6950a28432e91e49",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1790003865",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mutt: Fix of 6 CVEs",
    "summary": "- CVE-2026-43859: use memcpy() instead of strfcpy() in hmac_md5() so a binary MD5 digest of an over-long IMAP CRAM-MD5 secret is not truncated at an embedded NUL - CVE-2026-43860: copy the full MD5_DIGEST_LEN bytes of the hashed IMAP CRAM-MD5 secret in hmac_md5() instead of one byte less - CVE-2026-43861: reject a percent-encoded NUL (%00) as an invalid character in url_pct_decode() - CVE-2026-43862: check that the GSSAPI security-level token is at least 4 bytes before reading it in imap_auth_gss(), and read it as uint32_t - CVE-2026-43863: treat a negative gpgme_data_read() return as an error in data_object_to_stream() instead of looping forever - CVE-2026-43864: check key and key->subkeys for NULL in show_sig_summary()",
    "evidence": "osv:CLSA-2026-1790003865",
    "products": [
      {
        "name": {
          "value": "mutt",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5:2.2.6-2.el9_6.tuxcare.els3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1790003865",
      "aliases": [
        "CLSA-2026-1790003865"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5:2.2.6-2.el9_6.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "mutt",
            "purl": "pkg:rpm/tuxcare/mutt?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1790003865.json"
          }
        }
      ],
      "modified": "2026-10-26T09:31:35.728398882Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-43859",
        "CVE-2026-43860",
        "CVE-2026-43861",
        "CVE-2026-43862",
        "CVE-2026-43863",
        "CVE-2026-43864"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1790003865.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43859",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43860",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43861",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43862",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43863",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43864"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-43859",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43860",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43861",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43862",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43863",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-43864",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447788,
  "published_at": "2026-09-21T19:20:08+00:00"
}