CVE-2026-66011: imagemagick
CVSS: 4.8v4.0MediumAnalyzed
AliasesUBUNTU-CVE-2026-66011DEBIAN-CVE-2026-66011CGA-f87c-3mqw-9gqqGHSA-cvhv-g4rq-3hmwCGA-wh87-pccr-28c6
Published 25-07-2026Last modified 27-07-2026
Vulnerability summary
CVE-2026-66011 is a medium (CVSS 4.8) vulnerability in imagemagick. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.6% of scored vulnerabilities.
CVSS score
4.8/10
010
Medium · v4.0 (CVE.org)EPSS score
0.13%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 6Timeline
- 25-07-2026PublishedVulnerability first disclosed.
- 27-07-2026Last modifiedVulnerability information updated.
Description
ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Attackers can trigger memory exhaustion by repeatedly supplying malformed command-line arguments to consume system resources.
CVSS metrics
9 scores · 6 sources · 2 versionsMedium 4.8Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated4.8MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- OSV · ChainguardEcosystem advisory · calculated4.8MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- NVDNIST4.8MediumCVSS: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
Low 3.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LSourcesAll 5 agree
- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- OSV · NugetEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.13%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
+0.04 pp
From 0.09% on 21-09-2026
21-09-202621-10-2026
EPSS score0.13%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
NuGet17 products
- magick.net-q16-anycpu< 14.15.0
- Magick.NET-Q16-arm64< 14.15.0
- magick.net-q16-hdri-anycpu< 14.15.0
- Magick.NET-Q16-HDRI-arm64< 14.15.0
- Magick.NET-Q16-HDRI-OpenMP-arm64< 14.15.0
Chainguard1 product
- imagemagick-6All versions (No fix recorded)
Debian1 product
- imagemagickAll versions (No fix recorded) | < 8:7.1.2.27+dfsg1-1
Imagemagick1 product
- imagemagick< 7.1.2-27
Ubuntu1 product
- imagemagickAll versions (No fix recorded)
5 vendors · 21 products
References
11 links- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-cvhv-g4rq-3hmwVendor AdvisoryREPORTAdvisoryWEB
- www.vulncheck.com/advisories/imagemagick-before-27-memory-leak-via-invalid-cli-optionsThird Party AdvisoryREPORTAdvisory
