AlmaLinux 8 : firefox (ALSA-2026:47105)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# AlmaLinux Security Advisory ALSA-2026:47105.
##

include('compat.inc');

if (description)
{
  script_id(333348);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/08/07");

  script_cve_id(
    "CVE-2026-15718",
    "CVE-2026-15719",
    "CVE-2026-16349",
    "CVE-2026-16350",
    "CVE-2026-16351",
    "CVE-2026-16352",
    "CVE-2026-16353",
    "CVE-2026-16354",
    "CVE-2026-16355",
    "CVE-2026-16356",
    "CVE-2026-16357",
    "CVE-2026-16358",
    "CVE-2026-16359",
    "CVE-2026-16360",
    "CVE-2026-16361",
    "CVE-2026-16362",
    "CVE-2026-16363",
    "CVE-2026-16368",
    "CVE-2026-16369",
    "CVE-2026-16371",
    "CVE-2026-16374",
    "CVE-2026-16375",
    "CVE-2026-16377",
    "CVE-2026-16379",
    "CVE-2026-16381",
    "CVE-2026-16383",
    "CVE-2026-16387",
    "CVE-2026-16390",
    "CVE-2026-16391",
    "CVE-2026-16396",
    "CVE-2026-16405",
    "CVE-2026-16412",
    "CVE-2026-56208"
  );
  script_xref(name:"ALSA", value:"2026:47105");
  script_xref(name:"RHSA", value:"2026:47105");

  script_name(english:"AlmaLinux 8 : firefox (ALSA-2026:47105)");

  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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the
ALSA-2026:47105 advisory.

    * libaom: libaom: heap buffer overflow in AV1 encoder first-pass stats buffer via LAP mode
    (CVE-2026-56208)
      * firefox: thunderbird: Site isolation issue in the DOM: Navigation component (CVE-2026-15719)
      * firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component (CVE-2026-15718)
      * firefox: thunderbird: Mitigation bypass in the Enterprise Policies component (CVE-2026-16390)
      * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component
    (CVE-2026-16350)
      * firefox: thunderbird: Information disclosure in the Storage: IndexedDB component (CVE-2026-16391)
      * firefox: thunderbird: Site isolation issue in the Networking: HTTP component (CVE-2026-16375)
      * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component
    (CVE-2026-16356)
      * firefox: thunderbird: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-16363)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.13 and Firefox 153 (CVE-2026-16412)
      * firefox: thunderbird: Same-origin policy bypass in the Networking: DNS component (CVE-2026-16381)
      * firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-16355)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38 and Firefox ESR 140.13
    (CVE-2026-16361)
      * firefox: thunderbird: Sandbox escape due to use-after-free in the Disability Access APIs component
    (CVE-2026-16352)
      * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: WebAssembly component
    (CVE-2026-16368)
      * firefox: thunderbird: Mitigation bypass in the PDF Viewer component (CVE-2026-16377)
      * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox
    153 (CVE-2026-16360)
      * firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component (CVE-2026-16362)
      * firefox: thunderbird: Site isolation issue in the Graphics: WebRender component (CVE-2026-16358)
      * firefox: thunderbird: Site isolation issue in the Networking component (CVE-2026-16387)
      * firefox: thunderbird: Same-origin policy bypass in the DOM: Navigation component (CVE-2026-16349)
      * firefox: thunderbird: Incorrect boundary conditions in the Graphics component (CVE-2026-16357)
      * firefox: thunderbird: Sandbox escape due to use-after-free in the DOM: Navigation component
    (CVE-2026-16351)
      * firefox: thunderbird: Privilege escalation in the DOM: Navigation component (CVE-2026-16371)
      * firefox: thunderbird: Privilege escalation in the DOM: Content Processes component (CVE-2026-16379)
      * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-16354)
      * firefox: thunderbird: Information disclosure in the Framework component in DevTools (CVE-2026-16374)
      * firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component (CVE-2026-16359)
      * firefox: thunderbird: Mitigation bypass in the DOM: Networking component (CVE-2026-16383)
      * firefox: thunderbird: Integer overflow in the JavaScript: WebAssembly component (CVE-2026-16369)
      * firefox: thunderbird: Invalid pointer in the DOM: Bindings (WebIDL) component (CVE-2026-16353)
      * firefox: thunderbird: Privilege escalation in WebExtensions (CVE-2026-16396)
      * firefox: thunderbird: Information disclosure in the Networking: WebSockets component (CVE-2026-16405)

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/8/ALSA-2026-47105.html");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2026:47105");
  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:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-16412");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(120, 122, 190, 201, 215, 266, 346, 368, 476, 501, 653, 733, 772, 787, 807, 825);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/06/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/08/07");

  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:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::appstream");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::baseos");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::highavailability");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::nfv");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::powertools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::realtime");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::resilientstorage");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::sap");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::sap_hana");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:8::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:"^8([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'AlmaLinux 8.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': '8',
    'pkgs': [
      {'reference':'firefox-140.13.0-1.el8_10.alma.1', 'cpu':'aarch64', 'el_string':'el8_10', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.13.0-1.el8_10.alma.1', 'cpu':'ppc64le', 'el_string':'el8_10', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.13.0-1.el8_10.alma.1', 'cpu':'s390x', 'el_string':'el8_10', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-140.13.0-1.el8_10.alma.1', 'cpu':'x86_64', 'el_string':'el8_10', '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');
}