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CVE-2023-0809

MEDIUM
Published 2023-10-02T18:56:26.824Z
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Expert Analysis

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CVSS Score

V3.1
5.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.065
Higher than 6.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
LOW

Description

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Affected Versions:

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-v9xr-r3xx-x9gc

Advisory Details

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Advisory provided by GitHub Security Advisory Database. Published: October 2, 2023, Modified: January 7, 2024

References

Published: 2023-10-02T18:56:26.824Z
Last Modified: 2025-02-13T16:39:08.267Z
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