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Fencer Vulns
low 3.3

CVE-2026-86423 json

ImageMagick before 7.1.2-30 Heap-use-after-free via GetList

published 2026-09-07 2 mo ago modified 2026-10-29 10 d ago also EUVD-2026-72381

cvss
3.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits
0
none known

Summary

ImageMagick before 7.1.2-30 and 6.9.x before 6.9.13-55 contains a heap-use-after-free vulnerability in the GetList method of PerlMagick. A crafted call to the GetList method can trigger the use-after-free, resulting in a crash (denial of service).

Patch / fix

  • ImageMagick ImageMagick 6.9.13-55, 7.1.2-30
  • imagemagick Debian 12 8:6.9.11.60+dfsg-1.6+deb12u14
  • imagemagick Debian 13 8:7.1.1.43+dfsg1-1+deb13u13
  • imagemagick Debian 14 8:7.1.2.31+dfsg1-1

debian advisories DEBIAN-CVE-2026-86423

  • ImageMagick SLE Module for Development Tools 15 SP7, SLE Module for Desktop Applications 15 SP7 7.1.1.43-150700.3.84.1
  • ImageMagick SLE Module for Desktop Applications 15 SP7 7.1.0.9-150400.6.113.1
  • ImageMagick SLES for SAP applications 16.0, SLES 16.0 7.1.2.0-160000.15.1
  • ImageMagick SLES for SAP 15 SP6, SLES 15 SP6-LTSS 7.1.1.21-150600.3.87.1
  • ImageMagick SLES LTSS Extended Security 12 SP5 6.8.8.1-71.273.2

suse advisories SUSE-SU-2026:4691-1SUSE-SU-2026:4376-1SUSE-SU-2026:4334-1SUSE-SU-2026:23901-1SUSE-SU-2026:4265-1

  • ImageMagick openSUSE Leap 16.0 7.1.2.0-160000.15.1
  • ImageMagick openSUSE Tumbleweed 7.1.2.31-1.1

opensuse advisories openSUSE-SU-2026:21911-1openSUSE-SU-2026:11801-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-86423 updated cvss 3.3

ImageMagick: ImageMagick: Denial of service via heap-use-after-free in PerlMagick's GetList method

  • Red Hat Enterprise Linux 6 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 7 ImageMagick, ImageMagick-c++, ImageMagick-perl
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CNA 4.0 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

  • ImageMagick ImageMagick

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.