OpenDaylight Controller 12.0.5 Externalizable.readExternal denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k2.48

Summaryinfo

A vulnerability labeled as problematic has been found in OpenDaylight Controller 12.0.5. Affected by this issue is the function Externalizable.readExternal. The manipulation results in denial of service. This vulnerability is reported as CVE-2026-36501. No exploit exists.

Detailsinfo

A vulnerability was found in OpenDaylight Controller 12.0.5. It has been classified as problematic. Affected is the function Externalizable.readExternal. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

An issue in the Externalizable.readExternal() component of Controller v12.0.5 allows attackers to cause a Denial of Service (DoS) via a crafted input.

The advisory is shared for download at docs.opendaylight.org. This vulnerability is traded as CVE-2026-36501 since 04/06/2026. There are known technical details, but no exploit is available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/06/2026 CVE reserved
06/05/2026 +60 days Advisory disclosed
06/05/2026 +0 days VulDB entry created
06/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: docs.opendaylight.org
Status: Not defined

CVE: CVE-2026-36501 (🔒)
GCVE (CVE): GCVE-0-2026-36501
GCVE (VulDB): GCVE-100-368952

Entryinfo

Created: 06/05/2026 20:20
Changes: 06/05/2026 20:20 (53)
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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