CVE-2026-27857 - Vulnerability Details

Frequency

occurrences

First Seen

April 28, 2026

Last Seen

June 2, 2026

CVE-2026-27857 is a vulnerability tracked across 2 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed April 28, 2026; most recent activity June 2, 2026.

Related Threat Clusters

Dovecot Vulnerabilities Lead to Denial of Service Risks in Ubuntu and Debian
Recent updates to Dovecot have revealed multiple vulnerabilities affecting Ubuntu and Debian systems. Specifically, CVE-2025-59031 and CVE-2025-59032 expose systems to denial of service attacks through mishandling of…

2 articles · Updated May 1, 2026
Moderate DoS and Info Disclosure Vulnerabilities in Dovecot Affect Fedora 43 and 44
Fedora versions 43 and 44 of Dovecot have been found to contain multiple vulnerabilities, including CVE-2026-33603, CVE-2026-40020, and CVE-2026-42006. These vulnerabilities allow for information disclosure and…

3 articles · Updated June 2, 2026

Recent Intelligence Reports

Fedora 43 Dovecot Suffering from Moderate DoS Info Disclosure Issues — Linuxsecurity · June 2, 2026
Fedora 44 Dovecot Moderate Info Disclosure DoS Vuln 2026 — Linuxsecurity · June 2, 2026
USN-8136-2: Dovecot regression — Ubuntu · April 28, 2026

Related Entities

Data Breach Denial of Service Fedora CVE-2025-59028 CVE-2025-59031 CVE-2025-59032 CVE-2026-0394 CVE-2026-24031 CVE-2026-27851 CVE-2026-27855 CVE-2026-27856 CVE-2026-27858

CVE-2026-27857 - Vulnerability Details

Entity Not Found

Related Threat Clusters

Recent Intelligence Reports

Related Entities

CVSS v3.1 Breakdown