CVE-2026-33901 | ImageMagick has a Heap Buffer Overflow via MVG decoder

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Published: 2026-04-13 Last update: 2026-04-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-33901 is rated Low Risk (31.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-33901

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 0.05% 0.02% -0.03%
2 2026-04-19 0.04% 0.05% +0.01%
3 2026-04-14 — 0.04% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-33901

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2026-33901

GitHub Security Advisory for CVE-2026-33901

GHSA-x9h5-r9v2-vcww · Severity: high · Ecosystem: nuget — ImageMagick has a heap Buffer Overflow in ImageMagick MVG decoder

OS Trackers for CVE-2026-33901

vendor priority summary link
alpine — CVE-2026-33901: 1 source package rows (imagemagick); 82 state rows across 2 repos (3.23-community, edge-community); fixed 2, open 80. https://security.alpinelinux.org/vuln/CVE-2026-33901
debian not yet assigned CVE-2026-33901 not yet assigned priority: Debian including 1 source packages (imagemagick), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2026-33901
redhat high — https://access.redhat.com/security/cve/CVE-2026-33901
suse high CVE-2026-33901 severity important: SUSE including 15 source package names (GraphicsMagick, GraphicsMagick-devel, …), 30 product×package rows across 6 product lines (SUSE Linux Enterprise Module for Package Hub 15 SP7, SUSE Linux Enterprise Server 12 SP4-LTSS, … (6 product lines)): Known Not Affected 30. https://www.suse.com/security/cve/CVE-2026-33901/
ubuntu medium CVE-2026-33901 medium priority: Ubuntu including 1 source packages (imagemagick), 8 status rows across 8 suites (bionic, focal, jammy, noble, questing, trusty, upstream, xenial): needs-triage 8. https://ubuntu.com/security/CVE-2026-33901

Affected software / configurations for CVE-2026-33901

Vendor Product Version Raw CPE
imagemagick imagemagick < 6.9.13-44 cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
imagemagick imagemagick >= 7.0.0-0, < 7.1.2-19 cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*

References for CVE-2026-33901

cvelogic Threat Intelligence