CVE-2026-56365: imagemagick
CVSS: 6.3v4.0MediumAnalyzed
AliasesUBUNTU-CVE-2026-56365DEBIAN-CVE-2026-56365GHSA-x928-4434-crqj
Published 30-06-2026Last modified 01-07-2026
Vulnerability summary
CVE-2026-56365 is a medium (CVSS 6.3) vulnerability in imagemagick. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.
CVSS score
6.3/10
010
Medium · v4.0 (CVE.org)EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 7Timeline
- 30-06-2026PublishedVulnerability first disclosed.
- 01-07-2026Last modifiedVulnerability information updated.
Description
ImageMagick before 7.1.2-19 contains a memory leak vulnerability in the PNG encoder when writing MNG images. Attackers can trigger the encoder failure condition to exhaust memory resources and cause denial of service.
CVSS metrics
8 scores · 5 sources · 2 versionsMedium 6.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.3MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- NVDNIST6.3MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/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
Low 3.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LSources5 sources · 3.7–5.3
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · NugetEcosystem advisory · calculated3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.28% on 21-09-2026
21-09-202621-10-2026
EPSS score0.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
NuGet18 products
- magick.net-q16-anycpu< 14.12.0
- Magick.NET-Q16-arm64< 14.12.0
- magick.net-q16-hdri-anycpu< 14.12.0
- Magick.NET-Q16-HDRI-arm64< 14.12.0
- Magick.NET-Q16-HDRI-OpenMP-arm64< 14.12.0
Debian1 product
- imagemagick< 8:6.9.11.60+dfsg-1.6+deb12u12 | < 8:7.1.1.43+dfsg1-1+deb13u11 | < 8:7.1.2.19+dfsg1-1
Imagemagick1 product
- imagemagick< 7.1.2-19 | < 6.9.13-44 | ≥ 7.0.0-0, < 7.1.2-19
Ubuntu1 product
- imagemagickAll versions (No fix recorded)
4 vendors · 21 products
References
6 links- www.vulncheck.com/advisories/imagemagick-memory-leak-in-png-encoder-via-mng-image-writingThird Party AdvisoryREPORT
