# CVE-2026-56363 — ImageMagick

> As of 2026-07-01, CVE-2026-56363 is a LOW-severity vulnerability in ImageMagick, CVSS v3.1 3.3. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-56363 as of 2026-07-01; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-01

## What is CVE-2026-56363?

ImageMagick before 7.1.2-22 contains a division by zero vulnerability in binomial kernel processing that allows attackers to cause denial of service. An attacker can supply a large binomial kernel value causing integer overflow, resulting in division by zero and application crash.

The record classifies CVE-2026-56363 under weakness class [CWE-190](https://intel.threadlinqs.com/cwe/CWE-190). Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 97 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 3.3 — LOW (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L`)
- **CVSS v4.0 base score:** 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 1.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-06-30, last modified 2026-07-01

## Is CVE-2026-56363 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [ImageMagick](https://intel.threadlinqs.com/vendors/imagemagick): ImageMagick

## How to fix CVE-2026-56363

No vendor patch reference has been recorded for CVE-2026-56363 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-56363

No threat campaign in the Threadlinqs corpus currently references CVE-2026-56363, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org. Last verified by Threadlinqs on 2026-07-02.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vf33-6r7x-66xx)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/imagemagick-division-by-zero-in-binomial-kernel-processing)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-56363
Full detection coverage and IOCs for threats exploiting CVE-2026-56363 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp