Redboltz async_mqtt 10.2.5 Endpoint Destructors denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Redboltz async_mqtt 10.2.5. This vulnerability affects unknown code of the component Endpoint Destructors. This manipulation causes denial of service. This vulnerability is handled as CVE-2025-65503. It is possible to launch the attack on the local host. There is not any exploit available.
Details
A vulnerability has been found in Redboltz async_mqtt 10.2.5 and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Endpoint Destructors. 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 summary by CVE is:
Use after free in endpoint destructors in Redboltz async_mqtt 10.2.5 allows local users to cause a denial of service via triggering SSL initialization failure that results in incorrect destruction order between io_context and endpoint objects.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-65503 since 11/18/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
11/18/2025 CVE reserved11/24/2025 Advisory disclosed
11/24/2025 VulDB entry created
12/12/2025 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2025-65503 (🔒)
GCVE (CVE): GCVE-0-2025-65503
GCVE (VulDB): GCVE-100-333391
Entry
Created: 11/24/2025 16:15Updated: 12/12/2025 05:15
Changes: 11/24/2025 16:15 (53), 12/12/2025 05:15 (11)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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