OESA-2021-1042

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    OESA-2021-1042

    Published: 5 Mar 2021Last Modified: 18 Aug 2026

    Summary: dovecot security update

    Details: Security Fix(es): Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.(CVE-2020-25275) An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).(CVE-2020-24386)

    References: https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1042, https://nvd.nist.gov/vuln/detail/CVE-2020-25275, https://nvd.nist.gov/vuln/detail/CVE-2020-24386

    Affected packages

    Package

    Name: dovecot

    Purl: pkg:rpm/openEuler/dovecot&distro=openEuler-20.03-LTS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.10.1-4.oe1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    OESA-2021-1042 | CVE-DB