Artifex Ghostscript 9.50 devices/gdevclj.c clj_media_size PDF File null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Artifex Ghostscript 9.50. It has been declared as problematic. The impacted element is the function clj_media_size of the file devices/gdevclj.c. Executing a manipulation as part of PDF File can lead to null pointer dereference.
This vulnerability is registered as CVE-2020-16295. It is possible to launch the attack remotely. No exploit is available.
It is recommended to upgrade the affected component.
Details
A vulnerability classified as problematic was found in Artifex Ghostscript 9.50 (Document Processing Software). This vulnerability affects the function clj_media_size of the file devices/gdevclj.c. The manipulation as part of a PDF File leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
The weakness was published 08/13/2020. This vulnerability was named CVE-2020-16295 since 08/03/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
Upgrading to version 9.51 eliminates this vulnerability.
Similar entries are available at VDB-159764, VDB-159763, VDB-159762 and VDB-159761. VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Ghostscript 9.51
Timeline
08/03/2020 🔍08/13/2020 🔍
08/13/2020 🔍
02/02/2026 🔍
Sources
Vendor: artifex.comStatus: Confirmed
CVE: CVE-2020-16295 (🔍)
GCVE (CVE): GCVE-0-2020-16295
GCVE (VulDB): GCVE-100-159760
See also: 🔍
Entry
Created: 08/13/2020 13:02Updated: 02/02/2026 13:31
Changes: 08/13/2020 13:02 (38), 08/13/2020 13:07 (18), 02/02/2026 13:28 (2), 02/02/2026 13:31 (22)
Complete: 🔍
Committer: lywand
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.