# CVE-2026-93586: ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob

> A use-after-free flaw in ImageMagick's ImagesToBlob method allows attackers to cause a denial of service via crafted images.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 18 Sep 2026
- **Updated:** 29 Oct 2026
- **Also known as:** CLSA-2026-1790181479, CLSA-2026-1790181500, DEBIAN-CVE-2026-93586, ECHO-1153-4380-c7a1, GHSA-3rjr-534c-8v67, GHSA-gv7r-qr7j-6hg7, MINI-jjjh-7gg2-vp4p, UBUNTU-CVE-2026-93586

## What is CVE-2026-93586?

CVE-2026-93586 is a low-severity use after free vulnerability in Imagemagick Imagemagick, published on 18 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

ImageMagick before 7.1.2-31 and before 6.9.13-56 contains a use-after-free vulnerability in the ImagesToBlob method, caused by a pointer that is not updated correctly. Exploitation may result in a limited availability impact (e.g., a crash of the affected process). The issue is fixed in versions 7.1.2-31 and 6.9.13-56.

Weakness: CWE-416 (Use After Free)

## Which versions are affected by CVE-2026-93586?

It affects 1 product.


Products: Imagemagick Imagemagick.

## How do I fix CVE-2026-93586?

Upgrade to a fixed version.

## Is CVE-2026-93586 being exploited?

There is no known exploitation of CVE-2026-93586 in the wild and no public exploit code.

## Other vulnerabilities in Imagemagick Imagemagick

- [CVE-2019-19952](https://insights.sbomify.com/CVE-2019-19952/): Use after free in n/a (critical 9.8)
- [CVE-2018-16328](https://insights.sbomify.com/CVE-2018-16328/): Null dereference in n/a (critical 9.8)
- [CVE-2018-16329](https://insights.sbomify.com/CVE-2018-16329/): Null dereference in n/a (critical 9.8)
- [CVE-2017-18210](https://insights.sbomify.com/CVE-2017-18210/): Null dereference in n/a (critical 9.8)
- [CVE-2017-14138](https://insights.sbomify.com/CVE-2017-14138/): Denial of service in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-93586 and fix it if it is affected.

What it is: CVE-2026-93586 is a low-severity use after free vulnerability in Imagemagick Imagemagick, published on 18 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-93586 in the wild and no public exploit code.

Affected product: Imagemagick Imagemagick. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-93586/ (Markdown: https://insights.sbomify.com/CVE-2026-93586/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-93586
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-93586
- OSV: https://osv.dev/vulnerability/CVE-2026-93586

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-93586/
Summaries are generated and may contain mistakes; the official description above is the record.