Is CVE-2026-27798 in the CISA KEV catalog?

No. CVE-2026-27798 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-27798?

CVE-2026-27798 has a CVSS v3 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2026-27798?

CVE-2026-27798 has an EPSS score of 0.14% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27798?

Upgrade imagemagick on debian 11 to 8:6.9.11.60+dfsg-1.3+deb11u10 or later. Fixes are available for 57 affected products.

CVE & CISA-KEV Catalog

CVE-2026-27798

MEDIUM

4.0

CVSS v3

NVD

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

CWE-125Out-of-bounds Read CWE-126Buffer Over-read

How to fix

Remediation Available

imagemagickDebian

Fixed in:8:6.9.11.60+dfsg-1.3+deb11u10CVE-2026-27798

Fixed in:8:6.9.11.60+dfsg-1.6+deb12u7CVE-2026-27798

Fixed in:8:7.1.1.43+dfsg1-1+deb13u6CVE-2026-27798

Fixed in:8:7.1.2.15+dfsg1-1CVE-2026-27798

imagemagickUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

imagemagick-6-commonUbuntu

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

imagemagick-6.q16Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

imagemagick-6.q16hdriUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

imagemagick-commonUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libimage-magick-perlUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libimage-magick-q16-perlUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libimage-magick-q16hdri-perlUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++-6-headersUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++-6.q16-5v5Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

libmagick++-6.q16-7Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagick++-6.q16-8Ubuntu

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagick++-6.q16-9t64Ubuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++-6.q16-devUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++-6.q16hdri-7Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagick++-6.q16hdri-8Ubuntu

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagick++-6.q16hdri-9t64Ubuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++-6.q16hdri-devUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++-devUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagick++5Ubuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

libmagickcore-6-arch-configUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6-headersUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6.q16-2Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

libmagickcore-6.q16-2-extraUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

libmagickcore-6.q16-3Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagickcore-6.q16-3-extraUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagickcore-6.q16-6Ubuntu

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagickcore-6.q16-6-extraUbuntu

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagickcore-6.q16-7-extraUbuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6.q16-7t64Ubuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6.q16-devUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6.q16hdri-3Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagickcore-6.q16hdri-3-extraUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagickcore-6.q16hdri-6Ubuntu

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagickcore-6.q16hdri-6-extraUbuntu

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagickcore-6.q16hdri-7-extraUbuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6.q16hdri-7t64Ubuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-6.q16hdri-devUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore-devUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickcore5Ubuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

libmagickcore5-extraUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

libmagickwand-6-headersUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickwand-6.q16-2Ubuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

libmagickwand-6.q16-3Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagickwand-6.q16-6Ubuntu

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagickwand-6.q16-7t64Ubuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickwand-6.q16-devUbuntu

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickwand-6.q16hdri-3Ubuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

libmagickwand-6.q16hdri-6Ubuntu

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

libmagickwand-6.q16hdri-7t64Ubuntu

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickwand-6.q16hdri-devUbuntu

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickwand-devUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

libmagickwand5Ubuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

perlmagickUbuntu

Fixed in:8:6.7.7.10-6ubuntu3.13+esm22USN-8468-1

Fixed in:8:6.8.9.9-7ubuntu5.16+esm21USN-8468-1

Fixed in:8:6.9.7.4+dfsg-16ubuntu6.15+esm13USN-8468-1

Fixed in:8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11USN-8468-1

Fixed in:8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11USN-8468-1

Fixed in:8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10USN-8468-1

ImageMagick Q16Windows application

Affected:7.0.0-0 7.1.2-15Fixed in:7.1.2-15ImageMagick Studio LLC

Affected:6.9.13-40Fixed in:6.9.13-40ImageMagick Studio LLC

ImageMagick Q16-HDRIWindows application

Affected:7.0.0-0 7.1.2-15Fixed in:7.1.2-15ImageMagick Studio LLC

Affected:6.9.13-40Fixed in:6.9.13-40ImageMagick Studio LLC

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.14%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-27.