CVE-2026-27798: dlemstra magick.net Out-of-bounds Read
CVSS: 7.1v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-27798DEBIAN-CVE-2026-27798GHSA-qpgx-jfcq-r59f
Published 25-02-2026Last modified 26-02-2026
Vulnerability summary
CVE-2026-27798 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in dlemstra magick.net. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.3% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.21%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 25-02-2026PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
CVSS metrics
5 scores · 5 sources · 1 versionHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HSources5 sources · 4.0–7.1
- CVE.orgCNA4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · NugetEcosystem advisory · calculated4.0MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
+0.07 pp
From 0.14% on 18-09-2026
18-09-202618-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
NuGet19 products
- magick.net-q16-anycpu< 14.10.3
- Magick.NET-Q16-arm64< 14.10.3
- magick.net-q16-hdri-anycpu< 14.10.3
- Magick.NET-Q16-HDRI-arm64< 14.10.3
- Magick.NET-Q16-HDRI-OpenMP-arm64< 14.10.3
Debian1 product
- imagemagick< 8:6.9.11.60+dfsg-1.6+deb12u7 | < 8:7.1.1.43+dfsg1-1+deb13u6 | < 8:7.1.2.15+dfsg1-1
Dlemstra1 product
- magick.net< 14.10.3
Imagemagick1 product
- imagemagick≥ 7.0.0, < 7.1.2-15 | < 6.9.13-40 | ≥ 7.0.0-0, < 7.1.2-15
Ubuntu1 product
- imagemagick< 8:6.9.7.4+dfsg-16ubuntu6.15+esm13 | < 8:6.9.10.23+dfsg-2.1ubuntu11.11+esm11 | < 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm11 | < 8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm10 | All versions (No fix recorded)
5 vendors · 23 products
References
9 links- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59fX Refsource CONFIRMREPORTWEBVendor Advisory
- github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738X Refsource MISCREPORTWEBPatch
