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Debian dsa-6074 : gir1.2-javascriptcoregtk-4.0 - security update

🗓️ 09 Dec 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 2 Views

Debian DSA-6074 fixes webkit2gtk vulnerabilities including information exfiltration and crashes.

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Code
#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dsa-6074. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(277944);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/12/09");

  script_cve_id(
    "CVE-2025-13947",
    "CVE-2025-43421",
    "CVE-2025-43458",
    "CVE-2025-66287"
  );

  script_name(english:"Debian dsa-6074 : gir1.2-javascriptcoregtk-4.0 - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing one or more security-related updates.");
  script_set_attribute(attribute:"description", value:
"The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dsa-6074 advisory.

    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-6074-1                   [email protected]
    https://www.debian.org/security/                           Alberto Garcia
    December 09, 2025                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : webkit2gtk
    CVE ID         : CVE-2025-13947 CVE-2025-43421 CVE-2025-43458 CVE-2025-66287

    The following vulnerabilities have been discovered in the WebKitGTK
    web engine:

    CVE-2025-13947

        Janet Black discovered that a website may be able to exfiltrate
        sensitive system information.

    CVE-2025-43421

        Nan Wang discovered that processing maliciously crafted web
        content may lead to an unexpected process crash.

    CVE-2025-43458

        Phil Beauvoir discovered that processing maliciously crafted web
        content may lead to an unexpected process crash.

    CVE-2025-66287

        Stanislav Fort discovered that processing maliciously crafted web
        content may lead to an unexpected process crash.

    For the oldstable distribution (bookworm), these problems have been fixed
    in version 2.50.3-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in
    version 2.50.3-1~deb13u1.

    We recommend that you upgrade your webkit2gtk packages.

    For the detailed security status of webkit2gtk please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/webkit2gtk

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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://security-tracker.debian.org/tracker/source-package/webkit2gtk");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-13947");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-43421");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-43458");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-66287");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bookworm/webkit2gtk");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/trixie/webkit2gtk");
  script_set_attribute(attribute:"solution", value:
"Upgrade the gir1.2-javascriptcoregtk-4.0 packages.");
  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:U/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-2025-66287");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/11/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/12/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/12/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-4.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-4.1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-javascriptcoregtk-6.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-webkit-6.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-webkit2-4.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:gir1.2-webkit2-4.1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-18");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.1-0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-4.1-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-6.0-1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-6.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libjavascriptcoregtk-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-37");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.0-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.1-0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkit2gtk-4.1-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkitgtk-6.0-4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkitgtk-6.0-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebkitgtk-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:webkit2gtk-driver");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:webkitgtk-webdriver");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:12.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:13.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('debian_package.inc');

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);

var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(12)\.[0-9]+|^(13)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 12.0 / 13.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);

var pkgs = [
    {'release': '12.0', 'prefix': 'gir1.2-javascriptcoregtk-4.0', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'gir1.2-javascriptcoregtk-4.1', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'gir1.2-javascriptcoregtk-6.0', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'gir1.2-webkit-6.0', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'gir1.2-webkit2-4.0', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'gir1.2-webkit2-4.1', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-4.0-18', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-4.0-bin', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-4.0-dev', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-4.1-0', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-4.1-dev', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-6.0-1', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libjavascriptcoregtk-6.0-dev', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkit2gtk-4.0-37', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkit2gtk-4.0-dev', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkit2gtk-4.0-doc', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkit2gtk-4.1-0', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkit2gtk-4.1-dev', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkitgtk-6.0-4', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'libwebkitgtk-6.0-dev', 'reference': '2.50.3-1~deb12u1'},
    {'release': '12.0', 'prefix': 'webkit2gtk-driver', 'reference': '2.50.3-1~deb12u1'},
    {'release': '13.0', 'prefix': 'gir1.2-javascriptcoregtk-4.1', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'gir1.2-javascriptcoregtk-6.0', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'gir1.2-webkit-6.0', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'gir1.2-webkit2-4.1', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libjavascriptcoregtk-4.0-bin', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libjavascriptcoregtk-4.1-0', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libjavascriptcoregtk-4.1-dev', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libjavascriptcoregtk-6.0-1', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libjavascriptcoregtk-6.0-dev', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libjavascriptcoregtk-bin', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libwebkit2gtk-4.0-doc', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libwebkit2gtk-4.1-0', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libwebkit2gtk-4.1-dev', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libwebkitgtk-6.0-4', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libwebkitgtk-6.0-dev', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'libwebkitgtk-doc', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'webkit2gtk-driver', 'reference': '2.50.3-1~deb13u1'},
    {'release': '13.0', 'prefix': 'webkitgtk-webdriver', 'reference': '2.50.3-1~deb13u1'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var _release = NULL;
  var prefix = NULL;
  var reference = NULL;
  if (!empty_or_null(package_array['release'])) _release = package_array['release'];
  if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (_release && prefix && reference) {
    if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : deb_report_get()
  );
  exit(0);
}
else
{
  var tested = deb_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gir1.2-javascriptcoregtk-4.0 / gir1.2-javascriptcoregtk-4.1 / etc');
}

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09 Dec 2025 00:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.18.8
EPSS0.00115
SSVC
2