CVE-2026-61861: imagemagick Use After Free
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-61861DEBIAN-CVE-2026-61861GHSA-qvxh-prvr-85w2
Published 11-07-2026Last modified 13-07-2026
Vulnerability summary
CVE-2026-61861 is a high (CVSS 7.5) Use After Free vulnerability in imagemagick. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.55%
0%100%
Low · +0.23 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 11-07-2026PublishedVulnerability first disclosed.
- 13-07-2026Last modifiedVulnerability information updated.
Description
ImageMagick before 7.1.2-26 contains a use-after-free vulnerability in the FormatMagickCaption method when memory allocation fails. Attackers can trigger memory allocation failures to cause a dangling pointer to reference freed memory, potentially enabling denial of service or code execution.
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
High 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources5 sources · 3.7–7.5
- CVE.orgCNA3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
+0.23 pp
From 0.32% on 21-09-2026
21-09-202621-10-2026
EPSS score0.55%
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
Debian1 product
- imagemagick< 8:7.1.1.43+dfsg1-1+deb13u12 | < 8:7.1.2.26+dfsg1-1
Imagemagick1 product
- imagemagick< 7.1.2-26 | < 6.9.13-51 | ≥ 7.0.0-0, < 7.1.2-26
Ubuntu1 product
- imagemagickAll versions (No fix recorded)
4 vendors · 20 products
References
7 links- www.vulncheck.com/advisories/imagemagick-before-26-use-after-free-in-formatmagickcaptionThird Party AdvisoryREPORTBroken Link
