CVE-2026-55510: imagemagick Use After Free
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-55510DEBIAN-CVE-2026-55510GHSA-ff5c-8x9r-8qcw
Published 01-07-2026Last modified 01-07-2026
Vulnerability summary
CVE-2026-55510 is a medium (CVSS 5.5) Use After Free vulnerability in imagemagick. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.6% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.15%
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 2 · Related 1Timeline
- 01-07-2026PublishedVulnerability first disclosed.
- 01-07-2026Last modifiedVulnerability information updated.
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, when identifying an image with a crafted 8BIM profile with a specific format string a use-after-free will occur. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.
CVSS metrics
5 scores · 5 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 5 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · NugetEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 19-09-2026
19-09-202619-10-2026
EPSS score0.15%
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< 8:7.1.2.26+dfsg1-1
Imagemagick1 product
- imagemagick≥ 7.0.1-0, < 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- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-ff5c-8x9r-8qcwX Refsource CONFIRMREPORTWEBVendor Advisory
