Artifex Ghostscript up to 10.04.0 Glyphs Converter psi/zbfont.c buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Artifex Ghostscript. The impacted element is an unknown function of the file psi/zbfont.c of the component Glyphs Converter. The manipulation results in buffer overflow. This vulnerability was named CVE-2025-27835. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.
Details
A vulnerability was found in Artifex Ghostscript. It has been classified as critical. Affected is an unknown function of the file psi/zbfont.c of the component Glyphs Converter. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs when converting glyphs to Unicode in psi/zbfont.c.
The advisory is shared for download at bugs.ghostscript.com. This vulnerability is traded as CVE-2025-27835 since 03/07/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 233372 (Debian dsa-5888 : ghostscript - security update), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 10.05.0 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (233372) and CERT Bund (WID-SEC-2025-0556). Once again VulDB remains the best source for vulnerability data.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Fedora Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- Gentoo Linux
- SUSE openSUSE
- Open Source Ghostscript
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://artifex.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 233372
Nessus Name: Debian dsa-5888 : ghostscript - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Ghostscript 10.05.0
Timeline
03/07/2025 🔍03/25/2025 🔍
03/25/2025 🔍
08/06/2025 🔍
Sources
Vendor: artifex.comAdvisory: bugs.ghostscript.com
Status: Confirmed
CVE: CVE-2025-27835 (🔍)
GCVE (CVE): GCVE-0-2025-27835
GCVE (VulDB): GCVE-100-301308
CERT Bund: WID-SEC-2025-0556 - Ghostscript: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
Entry
Created: 03/25/2025 21:43Updated: 08/06/2025 17:37
Changes: 03/25/2025 21:43 (57), 03/27/2025 03:14 (1), 03/27/2025 22:37 (2), 08/06/2025 17:37 (7)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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