# CVE-2020-27792: Ghostscript: heap buffer over write vulnerability in ghostscript's lp8000_print_page() in gdevlp8k.c

Status: published. Published: 2022-08-19. Updated: 2026-11-07.

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.

## Remediation

- workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. (source: CNA: redhat)

## Affected products and versions

- Red Hat / Red Hat Enterprise Linux 8 (ghostscript): ≥ 0:9.27-16.el8_10; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (ghostscript): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (ghostscript): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (ghostscript): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.47% as of 2026-11-07; percentile 40.72%

- SSVC: Not available

- Weaknesses: CWE-119

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2025:4362 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2020-27792 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2247179 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7 (CNA: redhat)

- https://access.redhat.com/security/cve/CVE-2020-27792 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugs.ghostscript.com/show_bug.cgi?id=701844 (ADP: CVE; x_refsource_MISC, x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2247179 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

- https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7 (ADP: CVE; x_refsource_MISC, x_transferred)

- https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7 (ADP: CVE; x_transferred)

- https://lists.debian.org/debian-lts-announce/2022/09/msg00005.html (ADP: CVE; mailing-list, x_refsource_MLIST, x_transferred)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2020-27792; retrieved 2026-11-07; source updated 2026-11-07

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2020-27792; retrieved 2026-11-07; source updated Not reported

Revision: 8b677ff2c92de30646a0d29b8fea781b86906099d55362b76946dce638c8c196

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