CVE-2025-27835: An issue was discovered in Artifex Ghostscript before 10.05.0

Q: How do I fix CVE-2025-27835?

ghostscript: upgrade to 10.05.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-27835 being exploited?

CVE-2025-27835 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-27835 affect?

CVE-2025-27835 affects ghostscript. Severity is high (CVSS 7.8). An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs when converting glyphs to Unicode in psi/zbfont.c.

Routine

HIGH 7.8UPGRADE

CVE-2025-27835 is a high-severity flaw (CVSS 7.8) affecting ghostscript. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs when converting glyphs to Unicode in psi/zbfont.c.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-03-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: artifex

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-25 21:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

artifex ghostscript UPGRADE

Affected: < 10.05.0

Fixed in: 10.05.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ghostscript || rpm -q ghostscript || ghostscript --version

2. UPGRADE to 10.05.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ghostscript

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ghostscript

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-27835?

ghostscript: upgrade to 10.05.0. Exact commands for each OS are on this page.

Is CVE-2025-27835 being exploited?

CVE-2025-27835 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-27835 affect?

CVE-2025-27835 affects ghostscript. Severity is high (CVSS 7.8). An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs when converting glyphs to Unicode in psi/zbfont.c.

How urgent is CVE-2025-27835?

Priority 33/100. High severity

Software pages

Ghostscript vulnerabilities

Related CVEs

CVE-2025-59800 MEDIUM 4.3 UPGRADE In Artifex Ghostscript through 10.05.1, ocr_begin_page in devices/gdevpdfocr.c has an integer overflow that le
CVE-2025-59799 MEDIUM 4.3 UPGRADE Artifex Ghostscript through 10.05.1 has a stack-based buffer overflow in pdfmark_coerce_dest in devices/vector
CVE-2025-59798 MEDIUM 4.3 UPGRADE Artifex Ghostscript through 10.05.1 has a stack-based buffer overflow in pdf_write_cmap in devices/vector/gdev
CVE-2025-48708 MEDIUM 4.0 UPGRADE gs_lib_ctx_stash_sanitized_arg in base/gslibctx.c in Artifex Ghostscript before 10.05.1 lacks argument sanitiz
CVE-2025-46646 MEDIUM 4.5 UPGRADE In Artifex Ghostscript before 10.05.0, decode_utf8 in base/gp_utf8.c mishandles overlong UTF-8 encoding

References

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