glib-networking OpenSSL Backend g_tls_client_connection_openssl_get_property null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in glib-networking. The affected element is the function g_tls_client_connection_openssl_get_property of the component OpenSSL Backend. The manipulation results in null pointer dereference.
This vulnerability is identified as CVE-2026-2574. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability classified as problematic has been found in glib-networking (unknown version). Affected is the function g_tls_client_connection_openssl_get_property of the component OpenSSL Backend. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.
The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2026-2574. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 299305 (Linux Distros Unpatched Vulnerability : CVE-2026-2574), 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 vulnerability database at Tenable (299305). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Nessus ID: 299305
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-2574
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
02/16/2026 Advisory disclosed02/16/2026 VulDB entry created
02/17/2026 VulDB entry last update
Sources
Advisory: bugzilla.redhat.comStatus: Not defined
CVE: CVE-2026-2574 (🔒)
GCVE (CVE): GCVE-0-2026-2574
GCVE (VulDB): GCVE-100-346176
Entry
Created: 02/16/2026 09:09Updated: 02/17/2026 20:39
Changes: 02/16/2026 09:09 (49), 02/17/2026 20:39 (2)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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