VDB-301687 · CVE-2025-31180 · EUVD-2025-8437

Red Hat Enterprise Linux 6/7/8 CANVAS_text null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Red Hat Enterprise Linux 6/7/8. Affected by this issue is the function CANVAS_text. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2025-31180. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Red Hat Enterprise Linux 6/7/8. It has been declared as critical. Affected by this vulnerability is the function CANVAS_text. The manipulation with an unknown input 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. The summary by CVE is:

A flaw was found in gnuplot. The CANVAS_text() function may lead to a segmentation fault and cause a system crash.

It is possible to read the advisory at access.redhat.com. This vulnerability is known as CVE-2025-31180 since 03/27/2025. The exploitation appears to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/31/2025).

The vulnerability scanner Nessus provides a plugin with the ID 237776 (SUSE SLES15 / openSUSE 15 Security Update : gnuplot (SUSE-SU-2025:01811-1)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (237776) and EUVD (EUVD-2025-8437). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Red Hat

Name

Enterprise Linux

Version

License

commercial

Website

Vendor: https://www.redhat.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (redhat): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 237776
Nessus Name: SUSE SLES15 / openSUSE 15 Security Update : gnuplot (SUSE-SU-2025:01811-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/27/2025 🔍
03/27/2025 +0 days 🔍
03/27/2025 +0 days 🔍
08/31/2025 +157 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: access.redhat.com
Status: Confirmed

CVE: CVE-2025-31180 (🔍)
GCVE (CVE): GCVE-0-2025-31180
GCVE (VulDB): GCVE-100-301687
EUVD: 🔍

Entryinfo

Created: 03/27/2025 16:32
Updated: 08/31/2025 06:14
Changes: 03/27/2025 16:32 (63), 06/05/2025 20:09 (2), 07/30/2025 23:38 (1), 08/31/2025 06:14 (1)
Complete: 🔍
Cache ID: 216::103