{
  "schema_version": "1.7.0",
  "id": "RHSA-2026:19201",
  "related": [],
  "upstream": [
    "CVE-2026-6746",
    "CVE-2026-6747",
    "CVE-2026-6748",
    "CVE-2026-6749",
    "CVE-2026-6750",
    "CVE-2026-6751",
    "CVE-2026-6752",
    "CVE-2026-6753",
    "CVE-2026-6754",
    "CVE-2026-6757",
    "CVE-2026-6759",
    "CVE-2026-6761",
    "CVE-2026-6762",
    "CVE-2026-6763",
    "CVE-2026-6764",
    "CVE-2026-6765",
    "CVE-2026-6766",
    "CVE-2026-6767",
    "CVE-2026-6769",
    "CVE-2026-6770",
    "CVE-2026-6771",
    "CVE-2026-6772",
    "CVE-2026-6776",
    "CVE-2026-6785",
    "CVE-2026-6786"
  ],
  "published": "2026-05-20T10:10:18Z",
  "modified": "2026-05-28T10:06:50Z",
  "summary": "Red Hat Security Advisory: firefox security update",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "name": "firefox",
        "ecosystem": "Red Hat:enterprise_linux:9::appstream",
        "purl": "pkg:rpm/redhat/firefox"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:140.10.0-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "firefox-debuginfo",
        "ecosystem": "Red Hat:enterprise_linux:9::appstream",
        "purl": "pkg:rpm/redhat/firefox-debuginfo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:140.10.0-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "firefox-debugsource",
        "ecosystem": "Red Hat:enterprise_linux:9::appstream",
        "purl": "pkg:rpm/redhat/firefox-debugsource"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:140.10.0-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "name": "firefox-x11",
        "ecosystem": "Red Hat:enterprise_linux:9::appstream",
        "purl": "pkg:rpm/redhat/firefox-x11"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:140.10.0-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:19201"
    },
    {
      "type": "ARTICLE",
      "url": "https://access.redhat.com/security/updates/classification/#important"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460074"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460075"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460076"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460078"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460079"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460085"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460086"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460088"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460092"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460094"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460095"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460096"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460097"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460099"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460101"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460102"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460103"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460104"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460105"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460106"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460107"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460108"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460109"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460110"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460112"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19201.json"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6746"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6746"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6746"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6746"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6746"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6747"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6747"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6747"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6747"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6747"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6748"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6748"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6748"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6748"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6748"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6749"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6749"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6749"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6749"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6749"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6750"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6750"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6750"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6750"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6750"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6751"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6751"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6751"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6751"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6751"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6752"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6752"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6752"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6752"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6752"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6753"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6753"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6753"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6753"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6753"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6754"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6754"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6754"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6754"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6754"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6757"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6757"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6757"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6757"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6757"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6759"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6759"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6759"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6759"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6759"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6761"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6761"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6761"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6761"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6761"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6762"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6762"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6762"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6762"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6762"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6763"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6763"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6763"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6763"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6763"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6764"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6764"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6764"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6764"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6764"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6765"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6765"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6765"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6765"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6765"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6766"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6766"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6766"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6766"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6766"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6767"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6767"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6767"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6767"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6767"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6769"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6769"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6769"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6769"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6769"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6770"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6770"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6770"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6770"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6770"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6771"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6771"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6771"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6771"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6771"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6772"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6772"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6772"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6772"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6772"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6776"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6776"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6776"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6776"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6776"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6785"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6785"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6785"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6785"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6785"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6786"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6786"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6786"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-32/#CVE-2026-6786"
    },
    {
      "type": "ARTICLE",
      "url": "https://www.mozilla.org/security/advisories/mfsa2026-34/#CVE-2026-6786"
    }
  ]
}