ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel… (CVE-2026-56362)
Severity: mediumType: VulnerabilityCVE-2026-56362
ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.
EPSS 0.2%top 91%
ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel… (CVE-2026-56362)
0
MediumVulnerabilityCVE-2026-56362gcveosvubuntu-cve-2026-56362ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-pro-22-04-ltsubuntu-pro-24-04-ltsubuntu-25-10ubuntu-26-04-ltscve-2026-56362ubuntu-pro-26-04-lts
Published: 07/08/2026 (07/08/2026, 14:17:00 UTC)
Source: GCVE Database
Product: imagemagick
Description
ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.
CVSS v3.1
Score 4.2medium
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L
Affected software
imagemagick
pkg:deb/ubuntu/imagemagick@8:6.7.7.10-6ubuntu3.13+esm22?arch=source&distro=esm-infra-legacy/trustyAffected versions
=8:6.7.7.10-5ubuntu3=8:6.7.7.10-5ubuntu4=8:6.7.7.10-6ubuntu1=8:6.7.7.10-6ubuntu2=8:6.7.7.10-6ubuntu3=8:6.7.7.10-6ubuntu3.1=8:6.7.7.10-6ubuntu3.2=8:6.7.7.10-6ubuntu3.3=8:6.7.7.10-6ubuntu3.4=8:6.7.7.10-6ubuntu3.5=8:6.7.7.10-6ubuntu3.6=8:6.7.7.10-6ubuntu3.7=8:6.7.7.10-6ubuntu3.8=8:6.7.7.10-6ubuntu3.9=8:6.7.7.10-6ubuntu3.11=8:6.7.7.10-6ubuntu3.12=8:6.7.7.10-6ubuntu3.13=8:6.7.7.10-6ubuntu3.13+esm1=8:6.7.7.10-6ubuntu3.13+esm2=8:6.7.7.10-6ubuntu3.13+esm3=8:6.7.7.10-6ubuntu3.13+esm4=8:6.7.7.10-6ubuntu3.13+esm5=8:6.7.7.10-6ubuntu3.13+esm6=8:6.7.7.10-6ubuntu3.13+esm7=8:6.7.7.10-6ubuntu3.13+esm8=8:6.7.7.10-6ubuntu3.13+esm9=8:6.7.7.10-6ubuntu3.13+esm10=8:6.7.7.10-6ubuntu3.13+esm11=8:6.7.7.10-6ubuntu3.13+esm12=8:6.7.7.10-6ubuntu3.13+esm13=8:6.7.7.10-6ubuntu3.13+esm14=8:6.7.7.10-6ubuntu3.13+esm15=8:6.7.7.10-6ubuntu3.13+esm16=8:6.7.7.10-6ubuntu3.13+esm17=8:6.7.7.10-6ubuntu3.13+esm18=8:6.7.7.10-6ubuntu3.13+esm19=8:6.7.7.10-6ubuntu3.13+esm20=8:6.7.7.10-6ubuntu3.13+esm21=8:6.7.7.10-6ubuntu3.13+esm22
imagemagick
pkg:deb/ubuntu/imagemagick@8:6.8.9.9-7ubuntu5.16+esm21?arch=source&distro=esm-infra-legacy/xenialAffected versions
=8:6.8.9.9-5ubuntu2=8:6.8.9.9-6=8:6.8.9.9-6build1=8:6.8.9.9-7=8:6.8.9.9-7ubuntu1=8:6.8.9.9-7ubuntu2=8:6.8.9.9-7ubuntu3=8:6.8.9.9-7ubuntu4=8:6.8.9.9-7ubuntu5=8:6.8.9.9-7ubuntu5.1=8:6.8.9.9-7ubuntu5.2=8:6.8.9.9-7ubuntu5.3=8:6.8.9.9-7ubuntu5.4=8:6.8.9.9-7ubuntu5.5=8:6.8.9.9-7ubuntu5.6=8:6.8.9.9-7ubuntu5.7=8:6.8.9.9-7ubuntu5.8=8:6.8.9.9-7ubuntu5.9=8:6.8.9.9-7ubuntu5.11=8:6.8.9.9-7ubuntu5.12=8:6.8.9.9-7ubuntu5.13=8:6.8.9.9-7ubuntu5.14=8:6.8.9.9-7ubuntu5.15=8:6.8.9.9-7ubuntu5.16=8:6.8.9.9-7ubuntu5.16+esm1=8:6.8.9.9-7ubuntu5.16+esm2=8:6.8.9.9-7ubuntu5.16+esm3=8:6.8.9.9-7ubuntu5.16+esm4=8:6.8.9.9-7ubuntu5.16+esm5=8:6.8.9.9-7ubuntu5.16+esm6=8:6.8.9.9-7ubuntu5.16+esm7=8:6.8.9.9-7ubuntu5.16+esm8=8:6.8.9.9-7ubuntu5.16+esm9=8:6.8.9.9-7ubuntu5.16+esm10=8:6.8.9.9-7ubuntu5.16+esm11=8:6.8.9.9-7ubuntu5.16+esm12=8:6.8.9.9-7ubuntu5.16+esm13=8:6.8.9.9-7ubuntu5.16+esm14=8:6.8.9.9-7ubuntu5.16+esm15=8:6.8.9.9-7ubuntu5.16+esm16=8:6.8.9.9-7ubuntu5.16+esm17=8:6.8.9.9-7ubuntu5.16+esm18=8:6.8.9.9-7ubuntu5.16+esm19=8:6.8.9.9-7ubuntu5.16+esm20=8:6.8.9.9-7ubuntu5.16+esm21
imagemagick
pkg:deb/ubuntu/imagemagick@8:6.9.7.4+dfsg-16ubuntu6.15+esm13?arch=source&distro=esm-infra/bionicAffected versions
=8:6.9.7.4+dfsg-16ubuntu2=8:6.9.7.4+dfsg-16ubuntu3=8:6.9.7.4+dfsg-16ubuntu4=8:6.9.7.4+dfsg-16ubuntu5=8:6.9.7.4+dfsg-16ubuntu6=8:6.9.7.4+dfsg-16ubuntu6.2=8:6.9.7.4+dfsg-16ubuntu6.3=8:6.9.7.4+dfsg-16ubuntu6.4=8:6.9.7.4+dfsg-16ubuntu6.7=8:6.9.7.4+dfsg-16ubuntu6.8=8:6.9.7.4+dfsg-16ubuntu6.9=8:6.9.7.4+dfsg-16ubuntu6.11=8:6.9.7.4+dfsg-16ubuntu6.12=8:6.9.7.4+dfsg-16ubuntu6.13=8:6.9.7.4+dfsg-16ubuntu6.14=8:6.9.7.4+dfsg-16ubuntu6.15=8:6.9.7.4+dfsg-16ubuntu6.15+esm1=8:6.9.7.4+dfsg-16ubuntu6.15+esm2=8:6.9.7.4+dfsg-16ubuntu6.15+esm3=8:6.9.7.4+dfsg-16ubuntu6.15+esm4=8:6.9.7.4+dfsg-16ubuntu6.15+esm5=8:6.9.7.4+dfsg-16ubuntu6.15+esm6=8:6.9.7.4+dfsg-16ubuntu6.15+esm7=8:6.9.7.4+dfsg-16ubuntu6.15+esm8=8:6.9.7.4+dfsg-16ubuntu6.15+esm9=8:6.9.7.4+dfsg-16ubuntu6.15+esm10=8:6.9.7.4+dfsg-16ubuntu6.15+esm11=8:6.9.7.4+dfsg-16ubuntu6.15+esm12=8:6.9.7.4+dfsg-16ubuntu6.15+esm13
imagemagick
pkg:deb/ubuntu/imagemagick@8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11?arch=source&distro=esm-apps/focalAffected versions
=8:6.9.10.23+dfsg-2.1ubuntu3=8:6.9.10.23+dfsg-2.1ubuntu8=8:6.9.10.23+dfsg-2.1ubuntu9=8:6.9.10.23+dfsg-2.1ubuntu10=8:6.9.10.23+dfsg-2.1ubuntu11=8:6.9.10.23+dfsg-2.1ubuntu11.1=8:6.9.10.23+dfsg-2.1ubuntu11.2=8:6.9.10.23+dfsg-2.1ubuntu11.4=8:6.9.10.23+dfsg-2.1ubuntu11.4+esm1=8:6.9.10.23+dfsg-2.1ubuntu11.5=8:6.9.10.23+dfsg-2.1ubuntu11.6=8:6.9.10.23+dfsg-2.1ubuntu11.6+esm1=8:6.9.10.23+dfsg-2.1ubuntu11.7=8:6.9.10.23+dfsg-2.1ubuntu11.7+esm1=8:6.9.10.23+dfsg-2.1ubuntu11.9=8:6.9.10.23+dfsg-2.1ubuntu11.9+esm1=8:6.9.10.23+dfsg-2.1ubuntu11.9+esm2=8:6.9.10.23+dfsg-2.1ubuntu11.10=8:6.9.10.23+dfsg-2.1ubuntu11.10+esm1=8:6.9.10.23+dfsg-2.1ubuntu11.11=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm1=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm2=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm4=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm5=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm6=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm8=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm9=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm10=8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11
imagemagick
pkg:deb/ubuntu/imagemagick@8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11?arch=source&distro=esm-apps/jammyAffected versions
=8:6.9.11.60+dfsg-1ubuntu1=8:6.9.11.60+dfsg-1.3=8:6.9.11.60+dfsg-1.3build1=8:6.9.11.60+dfsg-1.3build2=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm1=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.2+esm1=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm2=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm3=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm1=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm2=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm4=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm5=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm6=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm8=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm9=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm10=8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11
imagemagick
pkg:deb/ubuntu/imagemagick@8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10?arch=source&distro=esm-apps/nobleAffected versions
=8:6.9.11.60+dfsg-1.6ubuntu1=8:6.9.12.98+dfsg1-5=8:6.9.12.98+dfsg1-5.2build1=8:6.9.12.98+dfsg1-5.2build2=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm1=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm3=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm4=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm5=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm7=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm8=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm9=8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10
imagemagick
pkg:deb/ubuntu/imagemagick@8:7.1.2.3+dfsg1-1ubuntu0.1?arch=source&distro=questingAffected versions
=8:7.1.1.43+dfsg1-1=8:7.1.1.43+dfsg1-1ubuntu1=8:7.1.1.43+dfsg1-1ubuntu2=8:7.1.2.3+dfsg1-1=8:7.1.2.3+dfsg1-1ubuntu0.1
imagemagick
pkg:deb/ubuntu/imagemagick@8:7.1.2.18+dfsg1-1?arch=source&distro=resoluteAffected versions
=8:7.1.2.3+dfsg1-1=8:7.1.2.8+dfsg1-1=8:7.1.2.12+dfsg1-1=8:7.1.2.13+dfsg1-1=8:7.1.2.15+dfsg1-1=8:7.1.2.16+dfsg1-1=8:7.1.2.18+dfsg1-1
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Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-56362
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:Pro:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 4.0
Threat ID: 6a58b46f68715ace43d83e1d
Added to database: 07/16/2026, 10:37:35 UTC
Last updated: 09/13/2026, 22:01:35 UTC
Views: 38
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