AlmaLinux 10 : firefox (ALSA-2026:69461)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# AlmaLinux Security Advisory ALSA-2026:69461.
##

include('compat.inc');

if (description)
{
  script_id(350312);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/25");

  script_cve_id(
    "CVE-2026-92005",
    "CVE-2026-92006",
    "CVE-2026-92007",
    "CVE-2026-92008",
    "CVE-2026-92009",
    "CVE-2026-92010",
    "CVE-2026-92011",
    "CVE-2026-92012",
    "CVE-2026-92013",
    "CVE-2026-92014",
    "CVE-2026-92015",
    "CVE-2026-92016",
    "CVE-2026-92017",
    "CVE-2026-92018",
    "CVE-2026-92019",
    "CVE-2026-92020",
    "CVE-2026-92021",
    "CVE-2026-92022",
    "CVE-2026-92023",
    "CVE-2026-92024",
    "CVE-2026-92025",
    "CVE-2026-92026",
    "CVE-2026-92027",
    "CVE-2026-92028",
    "CVE-2026-92029",
    "CVE-2026-92030",
    "CVE-2026-92031",
    "CVE-2026-92032"
  );
  script_xref(name:"ALSA", value:"2026:69461");
  script_xref(name:"RHSA", value:"2026:69461");

  script_name(english:"AlmaLinux 10 : firefox (ALSA-2026:69461)");

  script_set_attribute(attribute:"synopsis", value:
"The remote AlmaLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the
ALSA-2026:69461 advisory.

    * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024)
      * firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019)
      * firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026)
      * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031)
      * firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92010)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92006)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92011)
      * firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027)
      * firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-92028)
      * firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92013)
      * firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92012)
      * firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics
    component (CVE-2026-92014)
      * firefox: thunderbird: Sandbox escape in the DOM: Core & HTML component (CVE-2026-92018)
      * firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021)
      * firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005)
      * firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92009)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    WebRender component (CVE-2026-92020)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92008)
      * firefox: thunderbird: Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component
    (CVE-2026-92030)
      * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics:
    CanvasWebGL component (CVE-2026-92007)
      * firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025)
      * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029)
      * firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://errata.almalinux.org/10/ALSA-2026-69461.html");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2026:69461");
  script_set_attribute(attribute:"solution", value:
"Update the affected firefox package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-92032");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(266, 476, 497, 653, 787, 791, 807, 825);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/09/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/25");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:firefox");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::appstream");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::baseos");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::highavailability");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::nfv");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::powertools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::realtime");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::resilientstorage");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::sap");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::sap_hana");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:10::supplementary");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Alma Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AlmaLinux/release", "Host/AlmaLinux/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm2.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_product = get_kb_item('installed_os/local/SSH/0/product');
if (isnull(os_product) || 'AlmaLinux' >!< os_product) audit(AUDIT_OS_NOT, 'AlmaLinux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'AlmaLinux');
if (! preg(pattern:"^10([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'AlmaLinux 10.x', 'AlmaLinux ' + os_version);

if (!get_kb_item('Host/AlmaLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && 'ppc' >!< cpu && 's390' >!< cpu && 'x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'AlmaLinux', cpu);

var constraints = [
  {
    'release': '10',
    'pkgs': [
      {'reference':'firefox-140.16.0-1.el10_2', 'cpu':'aarch64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.16.0-1.el10_2', 'cpu':'ppc64le', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.16.0-1.el10_2', 'cpu':'s390x', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.16.0-1.el10_2', 'cpu':'x86_64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.16.0-1.el10_2', 'cpu':'x86_64_v2', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE}
    ]
  }
];

var os_release = get_one_kb_item('installed_os/local/SSH/0/release');
var os_sp = get_one_kb_item('Host/*/minor_release');

var flag = 0;
var reference;
var sp;
var _cpu;
var el_string;
var rpm_spec_vers_cmp;
var epoch;
var allowmaj;
var exists_check;
var cves;
foreach var constraint ( constraints ) {
  # Check that the target release is equal to the affected release
  if (!empty_or_null(constraint['release'])){
    if (constraint['release'] != os_release) continue;
  }
  if (!empty_or_null(constraint['sp'])){
    if (constraint['sp'] != os_sp) continue;
  }
  foreach var pkg ( constraint['pkgs'] ) {
    reference = NULL;
    sp = NULL;
    _cpu = NULL;
    el_string = NULL;
    rpm_spec_vers_cmp = NULL;
    epoch = NULL;
    allowmaj = NULL;
    exists_check = NULL;
    cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        ## (no known rpm to check OR known rpm_exists)
        (!exists_check || rpm_exists(rpm:exists_check)) &&
        rpm_check(sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'firefox');
}