Fedora 43 : webkitgtk (2026-9669c4bb36)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2026-9669c4bb36
#

include('compat.inc');

if (description)
{
  script_id(367253);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/19");

  script_cve_id(
    "CVE-2023-4860",
    "CVE-2024-7966",
    "CVE-2024-8193",
    "CVE-2024-8198",
    "CVE-2024-8636",
    "CVE-2024-9123",
    "CVE-2025-0436",
    "CVE-2025-0444",
    "CVE-2026-3538",
    "CVE-2026-3909",
    "CVE-2026-3931",
    "CVE-2026-4460",
    "CVE-2026-5870",
    "CVE-2026-6298",
    "CVE-2026-6364",
    "CVE-2026-7353",
    "CVE-2026-7920",
    "CVE-2026-7923",
    "CVE-2026-7949",
    "CVE-2026-8510",
    "CVE-2026-8579",
    "CVE-2026-9892",
    "CVE-2026-9893",
    "CVE-2026-9909",
    "CVE-2026-9923",
    "CVE-2026-9981",
    "CVE-2026-9983",
    "CVE-2026-9998",
    "CVE-2026-10009",
    "CVE-2026-10011",
    "CVE-2026-10012",
    "CVE-2026-10020",
    "CVE-2026-10925",
    "CVE-2026-10941",
    "CVE-2026-10977",
    "CVE-2026-10985",
    "CVE-2026-10993",
    "CVE-2026-11024",
    "CVE-2026-11039",
    "CVE-2026-11057",
    "CVE-2026-11099",
    "CVE-2026-11121",
    "CVE-2026-11124",
    "CVE-2026-11159",
    "CVE-2026-11663",
    "CVE-2026-11675",
    "CVE-2026-13781",
    "CVE-2026-13820",
    "CVE-2026-13841",
    "CVE-2026-13885",
    "CVE-2026-13971",
    "CVE-2026-14387",
    "CVE-2026-14389",
    "CVE-2026-14410",
    "CVE-2026-14414",
    "CVE-2026-14419",
    "CVE-2026-14427",
    "CVE-2026-14429",
    "CVE-2026-15766",
    "CVE-2026-15774",
    "CVE-2026-16417",
    "CVE-2026-17653",
    "CVE-2026-17702",
    "CVE-2026-17712",
    "CVE-2026-17745",
    "CVE-2026-17757",
    "CVE-2026-17771",
    "CVE-2026-17914",
    "CVE-2026-17992",
    "CVE-2026-19154",
    "CVE-2026-19160",
    "CVE-2026-19161",
    "CVE-2026-19173",
    "CVE-2026-19176",
    "CVE-2026-43804",
    "CVE-2026-64713",
    "CVE-2026-64715",
    "CVE-2026-64728",
    "CVE-2026-64730",
    "CVE-2026-64753",
    "CVE-2026-64757",
    "CVE-2026-64778",
    "CVE-2026-64779",
    "CVE-2026-64780",
    "CVE-2026-64782",
    "CVE-2026-64783",
    "CVE-2026-64784",
    "CVE-2026-65331",
    "CVE-2026-65332",
    "CVE-2026-65333",
    "CVE-2026-65334",
    "CVE-2026-65335",
    "CVE-2026-65336",
    "CVE-2026-65337",
    "CVE-2026-65338",
    "CVE-2026-65340",
    "CVE-2026-65341",
    "CVE-2026-65351",
    "CVE-2026-76041",
    "CVE-2026-78376",
    "CVE-2026-78914",
    "CVE-2026-78958",
    "CVE-2026-79020",
    "CVE-2026-79112",
    "CVE-2026-79144",
    "CVE-2026-79147",
    "CVE-2026-83596",
    "CVE-2026-84359",
    "CVE-2026-84635",
    "CVE-2026-85049",
    "CVE-2026-91733",
    "CVE-2026-91740",
    "CVE-2026-91747",
    "CVE-2026-93387"
  );
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2026/03/27");
  script_xref(name:"IAVA", value:"2026-A-1054");
  script_xref(name:"FEDORA", value:"2026-9669c4bb36");

  script_name(english:"Fedora 43 : webkitgtk (2026-9669c4bb36)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the
FEDORA-2026-9669c4bb36 advisory.

    Update to 2.54.1:

    * Allow pasting in-memory image data from clipboard.
    * Add User-Agent quirk for Amazon Luna.
    * Align the filter surface with the device pixel grid.
    * Fix rendering of scaled or transformed no-repeat background images.
     * Fix rendering of preserve-3d layers when a layer crosses the camera plane.
     * Fix SkiaCompositingLayer filter rendering under transforms.
     * Do not rasterize the part of a tile that the clip drops.
     * Skip non-composited frames when damage is empty.
     * Fix text deleted by input method delete-surrounding in contenteditable.
     * Fix several crashes and rendering issues.

    ----

    Update to 2.54.0:

     * Switch web process compositor to use Skia instead of TextureMapper.
     * Improved damage handling that is now also used during the composition to limit the composited areas.
     * Implement GPU atlas creation and replay substitution for batched raster image uploads.
     * Media capability reporting is more accurate.
     * Video decoding limits are now respected in media capabilities queries.
     * Add new improved API for page favicons.
     * Add magnification property to WebKitWebView to handle visual scaling.
     * Add new API to allow setting a per-navigation custom User-Agent to WebKitWebsitePolicies.
     * Remove the option to use cairo for 2D rendering.

    WebKit Security fixes from 2.54.0: CVE-2026-84635, CVE-2026-64753, CVE-2026-64715, CVE-2026-64778,
    CVE-2026-64779, CVE-2026-64780, CVE-2026-64782, CVE-2026-64784, CVE-2026-65331, CVE-2026-65332,
    CVE-2026-65333, CVE-2026-65334, CVE-2026-65335, CVE-2026-65336, CVE-2026-65337, CVE-2026-65338,
    CVE-2026-65340, CVE-2026-65341, CVE-2026-65351, CVE-2026-78376, CVE-2026-83596.

    WebKit security fixes from 2.52.6: CVE-2026-43804, CVE-2026-64713, CVE-2026-64728, CVE-2026-64730,
    CVE-2026-64757, CVE-2026-64783

    This update also fixes a couple hundred or so ANGLE CVEs and several dozen Skia CVEs.

    This update [breaks some styles in Evolution](https://bugs.webkit.org/show_bug.cgi?id=322568). Sorry about
    that.










Tenable has extracted the preceding description block directly from the Fedora 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://bodhi.fedoraproject.org/updates/FEDORA-2026-9669c4bb36");
  script_set_attribute(attribute:"solution", value:
"Update the affected webkitgtk 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:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-3909");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2026-13781");

  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:"2024/07/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/10/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:43");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:webkitgtk");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Fedora 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/RedHat/release", "Host/RedHat/rpm-list");

  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) || 'Fedora' >!< os_product) audit(AUDIT_OS_NOT, 'Fedora');
var os_version = get_kb_item('installed_os/local/SSH/0/version');
if (isnull(os_version)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
if (! preg(pattern:"^43([^0-9]|$)", string:os_version)) audit(AUDIT_OS_NOT, 'Fedora 43', 'Fedora ' + os_version);

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

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

var constraints = [
  {
    'release': '43',
    'pkgs': [
      {'reference':'webkitgtk-2.54.1-1.fc43', 'rpm_spec_vers_cmp':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, 'webkitgtk');
}