RockyLinux 10 : firefox (RLSA-2026:89758)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2026:89758.
##

include('compat.inc');

if (description)
{
  script_id(374552);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/31");

  script_cve_id(
    "CVE-2026-45186",
    "CVE-2026-77214",
    "CVE-2026-109704",
    "CVE-2026-109705",
    "CVE-2026-109706",
    "CVE-2026-109707",
    "CVE-2026-109708",
    "CVE-2026-109709",
    "CVE-2026-109711",
    "CVE-2026-109712",
    "CVE-2026-109713",
    "CVE-2026-109715",
    "CVE-2026-109716",
    "CVE-2026-109717",
    "CVE-2026-109718",
    "CVE-2026-109719",
    "CVE-2026-109720",
    "CVE-2026-109721",
    "CVE-2026-109722",
    "CVE-2026-109723",
    "CVE-2026-109724",
    "CVE-2026-109725",
    "CVE-2026-109726",
    "CVE-2026-109727",
    "CVE-2026-109728",
    "CVE-2026-109729",
    "CVE-2026-109730",
    "CVE-2026-109732",
    "CVE-2026-109740"
  );
  script_xref(name:"RLSA", value:"2026:89758");

  script_name(english:"RockyLinux 10 : firefox (RLSA-2026:89758)");

  script_set_attribute(attribute:"synopsis", value:
"The remote RockyLinux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the
RLSA-2026:89758 advisory.

    * libexpat: denial of service via crafted XML input (CVE-2026-45186)

    * expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)

    * firefox: thunderbird: Privilege escalation in the Application Update component (CVE-2026-109704)

    * firefox: Use-after-free in the XML component (CVE-2026-109718)

    * firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109715)

    * firefox: firefox: Sandbox escape via incorrect boundary conditions in Win32 widget (CVE-2026-109740)

    * firefox: Use-after-free in the Storage: IndexedDB component (CVE-2026-109706)

    * firefox: Use-after-free in the Crash Reporting component (CVE-2026-109713)

    * firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109724)

    * firefox: Information disclosure, privilege escalation in the Security: Process Sandboxing component
    (CVE-2026-109709)

    * firefox: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in
    the Networking component (CVE-2026-109705)

    * firefox: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-109729)

    * firefox: Incorrect boundary conditions in the JavaScript Engine component (CVE-2026-109716)

    * firefox: Race condition, use-after-free in the Graphics: CanvasWebGL component (CVE-2026-109719)

    * firefox: Integer overflow in the Layout: Text and Fonts component (CVE-2026-109723)

    * firefox: Sandbox escape due to incorrect boundary conditions in the Networking component
    (CVE-2026-109708)

    * firefox: Use-after-free in the DOM: Bindings (WebIDL) component (CVE-2026-109717)

    * firefox: Sandbox escape due to use-after-free in the Networking component (CVE-2026-109707)

    * firefox: JIT miscompilation in the JavaScript: WebAssembly component (CVE-2026-109720)

    * firefox: Use-after-free in the SVG component (CVE-2026-109726)

    * firefox: Integer overflow in the Graphics component (CVE-2026-109730)

    * firefox: Use-after-free in the Audio/Video component (CVE-2026-109727)

    * firefox: Use-after-free in the DOM: Streams component (CVE-2026-109732)

    * firefox: Use-after-free in the DOM: Core & HTML component (CVE-2026-109725)

    * firefox: Sandbox escape due to uninitialized memory in the Graphics component (CVE-2026-109712)

    * firefox: Use-after-free in the Graphics: Canvas2D component (CVE-2026-109711)

    * firefox: JIT miscompilation in the JavaScript Engine: JIT component (CVE-2026-109722)

    * firefox: Use-after-free in the DOM: Animation component (CVE-2026-109728)

    * firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component (CVE-2026-109721)

    Bug Fix(es) and Enhancement(s):

    * Firefox ESR 153 rebase [rhel-10.2.z] (JIRA:Rocky Linux-175166)

Tenable has extracted the preceding description block directly from the RockyLinux 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.rockylinux.org/RLSA-2026:89758");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2468575");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2547476");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550397");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550400");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550403");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550404");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550405");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550406");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550408");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550412");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550413");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550420");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550422");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550424");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550426");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550432");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550433");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550438");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550442");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550446");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550450");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550451");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550455");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550467");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550468");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550469");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550471");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550474");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2550478");
  script_set_attribute(attribute:"solution", value:
"Update the affected firefox, firefox-debuginfo and / or firefox-debugsource packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:P");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-45186");
  script_set_attribute(attribute:"cvss4_score_source", value:"CVE-2026-77214");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/05/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:firefox");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:firefox-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:firefox-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rocky:linux:10");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Rocky 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_info2.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RockyLinux/release", "Host/RockyLinux/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) || 'Rocky Linux' >!< os_product) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
if (! preg(pattern:"^10([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'RockyLinux 10.x', 'Rocky Linux ' + os_version);

if (!get_kb_item('Host/RockyLinux/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, 'Rocky Linux', cpu);

var constraints = [
  {
    'release': '10',
    'pkgs': [
      {'reference':'firefox-153.5.0-1.el10_2', 'cpu':'aarch64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-153.5.0-1.el10_2', 'cpu':'ppc64le', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-153.5.0-1.el10_2', 'cpu':'s390x', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-153.5.0-1.el10_2', 'cpu':'x86_64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debuginfo-153.5.0-1.el10_2', 'cpu':'aarch64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debuginfo-153.5.0-1.el10_2', 'cpu':'ppc64le', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debuginfo-153.5.0-1.el10_2', 'cpu':'s390x', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debuginfo-153.5.0-1.el10_2', 'cpu':'x86_64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debugsource-153.5.0-1.el10_2', 'cpu':'aarch64', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debugsource-153.5.0-1.el10_2', 'cpu':'ppc64le', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debugsource-153.5.0-1.el10_2', 'cpu':'s390x', 'el_string':'el10_2', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0', 'allowmaj':TRUE},
      {'reference':'firefox-debugsource-153.5.0-1.el10_2', 'cpu':'x86_64', '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 / firefox-debuginfo / firefox-debugsource');
}