QID 239818

Date Published: 2021-11-10

QID 239818: Red Hat Update for mutt security (RHSA-2021:4181)

mutt is a low resource, highly configurable, text-based mime e-mail client.
Mutt supports most e-mail storing formats, such as mbox and maildir, as well as most protocols, including pop3 and imap.

Security Fix(es):
  • mutt: incorrect handling of invalid initial imap responses could lead to an authentication attempt over unencrypted connection (cve-2020-28896)
  • mutt: memory leak when parsing rfc822 group addresses (cve-2021-3181)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as Low - 2.6 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4181 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239818

    CVE-2020-28896 | CVE-2021-3181 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4181 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4181
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