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Ubuntu 24.04: USN-6982-1 Moderate: Dovecot Denial of Service

ubuntu
Calendar Grey September 2, 2024
Dist Ubuntu Esm H88
Dovecot vulnerabilities resolved in USN-6982-1 for Ubuntu 24.04. Urgent patches advised for all users.
Several security issues were fixed in Dovecot.

Summary

Several security issues were fixed in Dovecot.

Software Description:

- dovecot: IMAP and POP3 email server

Details:

It was discovered that Dovecot did not not properly have restrictions on

ithe size of address headers. A remote attacker could possibly use this

issue to cause denial of service. (CVE-2024-23184, CVE-2024-23185)

Topics%20covered

Topics Covered

security advisory denial of service update Ubuntu vulnerability software fix Dovecot

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  dovecot-core                    1:2.3.21+dfsg1-2ubuntu6

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6982-1

CVE-2024-23184, CVE-2024-23185

Ubuntu Security Notice USN-6982-1

Topics%20covered

Topics Covered

security advisory denial of service update Ubuntu vulnerability software fix Dovecot

Package Information

https://launchpad.net/ubuntu/+source/dovecot/1:2.3.21+dfsg1-2ubuntu6

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