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(RHSA-2026:46380) Important: dovecot security update

来源: redhat_advisory · 发布时间 2026-07-27 09:05 (UTC+08:00) · 抓取时间 2026-07-27 09:50 (UTC+08:00)

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摘要

Important: dovecot security update

正文

Overview Updated Packages Important: dovecot security update Security Advisory: Important Identify and remediate systems affected by this advisory. View affected systems An update for dovecot is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fix(es): dovecot: Dovecot: Denial of Service via excessive IMAP bracing (CVE-2026-42006) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.4 x86_64 Red Hat Enterprise Linux Server - AUS 8.4 x86_64 BZ - 2476476 - CVE-2026-42006 dovecot: Dovecot: Denial of Service via excessive IMAP bracing CVE-2026-42006 https://access.redhat.com/security/updates/classification/#important The Red Hat security contact is [email protected] . More contact details at https://access.redhat.com/security/team/contact/ .

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{
  "cves": [
    "CVE-2026-42006"
  ],
  "product_names": [
    "Red Hat Enterprise Linux Server - AUS",
    "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life"
  ],
  "update_date": [
    "2026-07-27T01:05:36Z"
  ]
}