CVE-2025-66199 - Vulnerability Details

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
January 27, 2026
Last Seen
March 2, 2026

CVE-2025-66199 is a vulnerability tracked across 3 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed January 27, 2026; most recent activity March 2, 2026.

Related Threat Clusters

  • Ubuntu OpenSSL Vulnerabilities Addressed in USN-7980-2

    Multiple vulnerabilities in OpenSSL affecting Ubuntu 20.04 LTS and other versions have been fixed in the USN-7980-2 update. Key vulnerabilities include CVE-2025-68160, CVE-2025-69418, CVE-2025-69419, CVE-2025-69420,…

    2 articles · Updated January 27, 2026
  • Ubuntu 25.10 OpenSSL Vulnerabilities Lead to DoS Risk

    OpenSSL vulnerabilities were discovered affecting Ubuntu 25.10, 24.04 LTS, and 22.04 LTS. The issues involve incorrect validation of PBMAC1 parameters and parsing of CMS AuthEnvelopedData messages, potentially allowing…

    2 articles · Updated January 27, 2026
  • IPFire Releases Core Update 200 with Kernel Upgrade and Security Patches

    IPFire has released its 200th core update for version 2.29, which includes a kernel upgrade to Linux 6.18.7 LTS, a beta domain blocklist service, and critical security patches for OpenSSL and glibc. The update aims to…

    2 articles · Updated March 2, 2026

Recent Intelligence Reports

  • IPFire 2.29 Core Update 200: Linux 6.18 LTS and DBL Preview — Heise.De · March 2, 2026
  • USN-7980-2: OpenSSL vulnerabilities — Ubuntu · January 27, 2026
  • Ubuntu 25.10 OpenSSL Important DoS Security Advisory USN-7980 — Linuxsecurity · January 27, 2026
  • USN-7980-1: OpenSSL vulnerabilities — Ubuntu · January 27, 2026

Related Entities

DDoS Denial of Service Ubuntu CVE-2025-11187 CVE-2025-15281 CVE-2025-15467 CVE-2025-15468 CVE-2025-15469 CVE-2025-68160 CVE-2025-69418 CVE-2025-69419 CVE-2025-69420

CVSS v3.1 Breakdown