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Linux Distros Unpatched Vulnerability : CVE-2026-61870

🗓️ 12 Jul 2026 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 5 Views

ImageMagick before 7.1.2-26 has VIFF encoder memory leak causing denial of service on allocation failure.

Related
Refs
Code
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-61870
11 Jul 202613:01
–attackerkb
AlpineLinux		CVE-2026-61870
11 Jul 202613:01
–alpinelinux
Circl		CVE-2026-61870
11 Jul 202615:42
–circl
CVE		CVE-2026-61870
11 Jul 202613:01
–cve
Cvelist		CVE-2026-61870 ImageMagick before 7.1.2-26 Memory Leak via VIFF Encoder
11 Jul 202613:01
–cvelist
Debian CVE		CVE-2026-61870
11 Jul 202613:01
–debiancve
EUVD		EUVD-2026-43189
11 Jul 202613:01
–euvd
NVD		CVE-2026-61870
11 Jul 202614:16
–nvd
OSV		CVE-2026-61870 ImageMagick before 7.1.2-26 Memory Leak via VIFF Encoder
11 Jul 202613:01
–osv
OSV		DEBIAN-CVE-2026-61870
11 Jul 202614:16
–osv
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(326395);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/13");

  script_cve_id("CVE-2026-61870");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-61870");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the VIFF encoder when memory
    allocation fails. Attackers can trigger allocation failures by processing specially crafted VIFF images to
    exhaust available memory and cause denial of service. (CVE-2026-61870)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2026-61870");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2026-61870");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-61870");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/07/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:24.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:26.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  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:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:imagemagick");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:imagemagick");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  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", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
  script_require_ports("Host/OS/Debian Linux-11", "Host/OS/Debian Linux-12", "Host/OS/Debian Linux-13", "Host/OS/Ubuntu Linux-14.04", "Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04", "Host/OS/Ubuntu Linux-26.04");

  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/Debian/dpkg-l"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Debian Linux-11": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "11",
        "pkgs": [
          {"reference": "imagemagick"},
          {"reference": "imagemagick-6-common"},
          {"reference": "imagemagick-6-doc"},
          {"reference": "imagemagick-6.q16"},
          {"reference": "imagemagick-6.q16hdri"},
          {"reference": "imagemagick-common"},
          {"reference": "imagemagick-doc"},
          {"reference": "libimage-magick-perl"},
          {"reference": "libimage-magick-q16-perl"},
          {"reference": "libimage-magick-q16hdri-perl"},
          {"reference": "libmagick++-6-headers"},
          {"reference": "libmagick++-6.q16-8"},
          {"reference": "libmagick++-6.q16-dev"},
          {"reference": "libmagick++-6.q16hdri-8"},
          {"reference": "libmagick++-6.q16hdri-dev"},
          {"reference": "libmagick++-dev"},
          {"reference": "libmagickcore-6-arch-config"},
          {"reference": "libmagickcore-6-headers"},
          {"reference": "libmagickcore-6.q16-6"},
          {"reference": "libmagickcore-6.q16-6-extra"},
          {"reference": "libmagickcore-6.q16-dev"},
          {"reference": "libmagickcore-6.q16hdri-6"},
          {"reference": "libmagickcore-6.q16hdri-6-extra"},
          {"reference": "libmagickcore-6.q16hdri-dev"},
          {"reference": "libmagickcore-dev"},
          {"reference": "libmagickwand-6-headers"},
          {"reference": "libmagickwand-6.q16-6"},
          {"reference": "libmagickwand-6.q16-dev"},
          {"reference": "libmagickwand-6.q16hdri-6"},
          {"reference": "libmagickwand-6.q16hdri-dev"},
          {"reference": "libmagickwand-dev"},
          {"reference": "perlmagick"}
        ]
      }
    ]
  },
  "Debian Linux-12": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "12",
        "pkgs": [
          {"reference": "imagemagick"},
          {"reference": "imagemagick-6-common"},
          {"reference": "imagemagick-6-doc"},
          {"reference": "imagemagick-6.q16"},
          {"reference": "imagemagick-6.q16hdri"},
          {"reference": "imagemagick-common"},
          {"reference": "imagemagick-doc"},
          {"reference": "libimage-magick-perl"},
          {"reference": "libimage-magick-q16-perl"},
          {"reference": "libimage-magick-q16hdri-perl"},
          {"reference": "libmagick++-6-headers"},
          {"reference": "libmagick++-6.q16-8"},
          {"reference": "libmagick++-6.q16-dev"},
          {"reference": "libmagick++-6.q16hdri-8"},
          {"reference": "libmagick++-6.q16hdri-dev"},
          {"reference": "libmagick++-dev"},
          {"reference": "libmagickcore-6-arch-config"},
          {"reference": "libmagickcore-6-headers"},
          {"reference": "libmagickcore-6.q16-6"},
          {"reference": "libmagickcore-6.q16-6-extra"},
          {"reference": "libmagickcore-6.q16-dev"},
          {"reference": "libmagickcore-6.q16hdri-6"},
          {"reference": "libmagickcore-6.q16hdri-6-extra"},
          {"reference": "libmagickcore-6.q16hdri-dev"},
          {"reference": "libmagickcore-dev"},
          {"reference": "libmagickwand-6-headers"},
          {"reference": "libmagickwand-6.q16-6"},
          {"reference": "libmagickwand-6.q16-dev"},
          {"reference": "libmagickwand-6.q16hdri-6"},
          {"reference": "libmagickwand-6.q16hdri-dev"},
          {"reference": "libmagickwand-dev"},
          {"reference": "perlmagick"}
        ]
      }
    ]
  },
  "Debian Linux-13": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "13",
        "pkgs": [
          {"reference": "imagemagick"},
          {"reference": "imagemagick-7-common"},
          {"reference": "imagemagick-7-doc"},
          {"reference": "imagemagick-7.q16"},
          {"reference": "imagemagick-7.q16hdri"},
          {"reference": "libimage-magick-perl"},
          {"reference": "libimage-magick-q16-perl"},
          {"reference": "libimage-magick-q16hdri-perl"},
          {"reference": "libmagick++-7-headers"},
          {"reference": "libmagick++-7.q16-5"},
          {"reference": "libmagick++-7.q16-dev"},
          {"reference": "libmagick++-7.q16hdri-5"},
          {"reference": "libmagick++-7.q16hdri-dev"},
          {"reference": "libmagick++-dev"},
          {"reference": "libmagickcore-7-arch-config"},
          {"reference": "libmagickcore-7-headers"},
          {"reference": "libmagickcore-7.q16-10"},
          {"reference": "libmagickcore-7.q16-10-extra"},
          {"reference": "libmagickcore-7.q16-dev"},
          {"reference": "libmagickcore-7.q16hdri-10"},
          {"reference": "libmagickcore-7.q16hdri-10-extra"},
          {"reference": "libmagickcore-7.q16hdri-dev"},
          {"reference": "libmagickcore-dev"},
          {"reference": "libmagickwand-7-headers"},
          {"reference": "libmagickwand-7.q16-10"},
          {"reference": "libmagickwand-7.q16-dev"},
          {"reference": "libmagickwand-7.q16hdri-10"},
          {"reference": "libmagickwand-7.q16hdri-dev"},
          {"reference": "libmagickwand-dev"},
          {"reference": "perlmagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-14.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14.04",
        "pkgs": [
          {"reference": "imagemagick"},
          {"reference": "imagemagick-common"},
          {"reference": "imagemagick-dbg"},
          {"reference": "imagemagick-doc"},
          {"reference": "libmagick++-dev"},
          {"reference": "libmagick++5"},
          {"reference": "libmagickcore-dev"},
          {"reference": "libmagickcore5"},
          {"reference": "libmagickcore5-extra"},
          {"reference": "libmagickwand-dev"},
          {"reference": "libmagickwand5"},
          {"reference": "perlmagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "imagemagick"},
          {"reference": "imagemagick-6.q16"},
          {"reference": "imagemagick-common"},
          {"reference": "imagemagick-dbg"},
          {"reference": "imagemagick-doc"},
          {"reference": "libimage-magick-perl"},
          {"reference": "libimage-magick-q16-perl"},
          {"reference": "libmagick++-6-headers"},
          {"reference": "libmagick++-6.q16-5v5"},
          {"reference": "libmagick++-6.q16-dev"},
          {"reference": "libmagick++-dev"},
          {"reference": "libmagickcore-6-arch-config"},
          {"reference": "libmagickcore-6-headers"},
          {"reference": "libmagickcore-6.q16-2"},
          {"reference": "libmagickcore-6.q16-2-extra"},
          {"reference": "libmagickcore-6.q16-dev"},
          {"reference": "libmagickcore-dev"},
          {"reference": "libmagickwand-6-headers"},
          {"reference": "libmagickwand-6.q16-2"},
          {"reference": "libmagickwand-6.q16-dev"},
          {"reference": "libmagickwand-dev"},
          {"reference": "perlmagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "imagemagick"},
          {"reference": "imagemagick-6-common"},
          {"reference": "imagemagick-6-doc"},
          {"reference": "imagemagick-6.q16"},
          {"reference": "imagemagick-6.q16hdri"},
          {"reference": "imagemagick-common"},
          {"reference": "imagemagick-doc"},
          {"reference": "libimage-magick-perl"},
          {"reference": "libimage-magick-q16-perl"},
          {"reference": "libimage-magick-q16hdri-perl"},
          {"reference": "libmagick++-6-headers"},
          {"reference": "libmagick++-6.q16-7"},
          {"reference": "libmagick++-6.q16-dev"},
          {"reference": "libmagick++-6.q16hdri-7"},
          {"reference": "libmagick++-6.q16hdri-dev"},
          {"reference": "libmagick++-dev"},
          {"reference": "libmagickcore-6-arch-config"},
          {"reference": "libmagickcore-6-headers"},
          {"reference": "libmagickcore-6.q16-3"},
          {"reference": "libmagickcore-6.q16-3-extra"},
          {"reference": "libmagickcore-6.q16-dev"},
          {"reference": "libmagickcore-6.q16hdri-3"},
          {"reference": "libmagickcore-6.q16hdri-3-extra"},
          {"reference": "libmagickcore-6.q16hdri-dev"},
          {"reference": "libmagickcore-dev"},
          {"reference": "libmagickwand-6-headers"},
          {"reference": "libmagickwand-6.q16-3"},
          {"reference": "libmagickwand-6.q16-dev"},
          {"reference": "libmagickwand-6.q16hdri-3"},
          {"reference": "libmagickwand-6.q16hdri-dev"},
          {"reference": "libmagickwand-dev"},
          {"reference": "perlmagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "imagemagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "imagemagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "imagemagick"}
        ]
      }
    ]
  },
  "Ubuntu Linux-26.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "26.04",
        "pkgs": [
          {"reference": "imagemagick"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}

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13 Jul 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.12.9 - 7.5
CVSS 42.1
EPSS0.00104
SSVC
ImageMagickmemory leakvector image formatmemory allocation failuredenial of serviceencoder
5