GNOME libsoup TLS Handshake denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in GNOME libsoup. It has been declared as problematic. Impacted is an unknown function of the component TLS Handshake Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2026-2436. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in GNOME libsoup (version now known). This vulnerability affects some unknown processing of the component TLS Handshake Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2026-2436. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 301794 (Linux Distros Unpatched Vulnerability : CVE-2026-2436), 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 (301794) and CERT Bund (WID-SEC-2026-1007). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • IBM App Connect Enterprise

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 301794
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-2436

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/10/2026 Advisory disclosed
03/10/2026 +0 days VulDB entry created
04/08/2026 +29 days VulDB entry last update

Sourcesinfo

Vendor: gnome.org

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2026-2436 (🔒)
GCVE (CVE): GCVE-0-2026-2436
GCVE (VulDB): GCVE-100-350146
CERT Bund: WID-SEC-2026-1007 - IBM App Connect Enterprise: Mehrere Schwachstellen

Entryinfo

Created: 03/10/2026 20:10
Updated: 04/08/2026 15:37
Changes: 03/10/2026 20:10 (49), 03/11/2026 14:33 (2), 04/08/2026 15:37 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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