What is CVE-2025-27831?

CVE-2025-27831 is a critical-severity vulnerability in Artifex Ghostscript, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-03-25.

How severe is CVE-2025-27831?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-27831 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Artifex Ghostscript

CVE-2025-27831

An issue was discovered in Artifex Ghostscript before 10.05.0. The DOCXWRITE TXTWRITE device has a text buffer overflow via long characters to devices/vector/doc_common.c.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (44.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Artifex Ghostscript
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

w4zu/Debian_

References

cve@mitre.org (Patch, Issue Tracking)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-27831?: CVE-2025-27831 is a critical-severity vulnerability in Artifex Ghostscript, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-03-25.
How severe is CVE-2025-27831?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-27831 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.