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Debian dla-4311 : thunderbird - security update

🗓️ 26 Sep 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 2 Views

Debian 11 Thunderbird update fixes flaws that could allow arbitrary code execution; upgrade to 1:140.3.0esr-1~deb11u1.

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#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-4311. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(265956);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id(
    "CVE-2025-10527",
    "CVE-2025-10528",
    "CVE-2025-10529",
    "CVE-2025-10532",
    "CVE-2025-10533",
    "CVE-2025-10536",
    "CVE-2025-10537"
  );
  script_xref(name:"IAVA", value:"2025-A-0681-S");

  script_name(english:"Debian dla-4311 : thunderbird - 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 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dla-4311 advisory.

    - -------------------------------------------------------------------------
    Debian LTS Advisory DLA-4311-1                [email protected]
    https://www.debian.org/lts/security/               Emilio Pozuelo Monfort
    September 26, 2025                            https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : thunderbird
    Version        : 1:140.3.0esr-1~deb11u1
    CVE ID         : CVE-2025-10527 CVE-2025-10528 CVE-2025-10529 CVE-2025-10532
                     CVE-2025-10533 CVE-2025-10536 CVE-2025-10537

    Multiple security issues were discovered in Thunderbird, which could
    result in the execution of arbitrary code.

    Debian follows the Thunderbird upstream releases. Support for the
    128.x series has ended, so starting with this update we're now
    following the 140.x series.

    For Debian 11 bullseye, these problems have been fixed in version
    1:140.3.0esr-1~deb11u1.

    We recommend that you upgrade your thunderbird packages.

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

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

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
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  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/thunderbird");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-10527");
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  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-10532");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-10533");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-10536");
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  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/bullseye/thunderbird");
  script_set_attribute(attribute:"solution", value:
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  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");
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  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-10537");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
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  script_set_attribute(attribute:"vuln_publication_date", value:"2025/09/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/09/26");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:thunderbird");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:thunderbird-l10n-zh-cn");
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  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:"Debian Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/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:"^(11)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 11.0', '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': '11.0', 'prefix': 'thunderbird', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-af', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-all', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ar', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ast', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-be', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-bg', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-br', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ca', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-cak', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-cs', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-cy', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-da', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-de', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-dsb', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-el', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-en-ca', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-en-gb', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-es-ar', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-es-es', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-es-mx', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-et', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-eu', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-fi', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-fr', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-fy-nl', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ga-ie', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-gd', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-gl', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-he', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-hr', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-hsb', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-hu', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-hy-am', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-id', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-is', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-it', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ja', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ka', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-kab', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-kk', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ko', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-lt', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-lv', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ms', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-nb-no', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-nl', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-nn-no', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-pa-in', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-pl', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-pt-br', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-pt-pt', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-rm', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ro', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-ru', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-sk', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-sl', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-sq', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-sr', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-sv-se', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-th', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-tr', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-uk', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-uz', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-vi', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-zh-cn', 'reference': '1:140.3.0esr-1~deb11u1'},
    {'release': '11.0', 'prefix': 'thunderbird-l10n-zh-tw', 'reference': '1:140.3.0esr-1~deb11u1'}
];

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, 'thunderbird / thunderbird-l10n-af / thunderbird-l10n-all / etc');
}

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21 Jan 2026 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 3.18.8
EPSS0.00687
SSVC
2