CVE-2026-30929: imagemagick Stack-based Buffer Overflow
Vulnerability summary
CVE-2026-30929 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in imagemagick. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 6Timeline
- 09-03-2026PublishedVulnerability first disclosed.
- 10-03-2026Last modifiedVulnerability information updated.
Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, MagnifyImage uses a fixed-size stack buffer. When using a specific image it is possible to overflow this buffer and corrupt the stack. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
CVSS metrics
5 scores · 5 sources · 1 version- CVE.orgCNA7.7HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · NugetEcosystem advisory · calculated7.7HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HDiffers
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
+0.05 pp
From 0.11% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
NuGet19 products
- magick.net-q16-anycpu< 14.10.4
- Magick.NET-Q16-arm64< 14.10.4
- magick.net-q16-hdri-anycpu< 14.10.4
- Magick.NET-Q16-HDRI-arm64< 14.10.4
- Magick.NET-Q16-HDRI-OpenMP-arm64< 14.10.4
Debian1 product
- imagemagick< 8:7.1.1.43+dfsg1-1+deb13u7 | < 8:7.1.2.16+dfsg1-1
Imagemagick1 product
- imagemagick≥ 7.0.0, < 7.1.2-16 | < 6.9.13-41 | ≥ 7.0.0-0, < 7.1.2-16
Ubuntu1 product
- imagemagickAll versions (No fix recorded)
4 vendors · 22 products
References
7 links- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rqq8-jh93-f4vgX Refsource CONFIRMWEBVendor Advisory
