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CVE-2025-21959

CVE

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
February 18, 2026
Last Seen
February 18, 2026
API
Exploited in Wild
—
Ransomware Use
—
Public Exploits
—
Attack Vector
—

Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Four new Common Vulnerabilities and Exposures (CVEs) related to netfilter components have been published. The vulnerabilities include issues with lookup table allocation, maximum map bucket size, data validation, and struct initialization, affecting various aspects of network filtering. The CVEs are...

Public Exploits

Checking GitHub for proof-of-concept code…