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CVE-2024-23184VulnerabilityPublished Updated

Red Hat Security Advisory: dovecot security update

Affects Red Hat dovecotSource GCVE Database

0

Mentioned vulnerabilities

Authoritative record:CVE-2024-23184· Medium 5.0

Not known to be exploited · CVSS 5.0 Medium.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
5.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Sep 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Red Hat has released security updates for Dovecot in Red Hat Enterprise Linux 8 to address these vulnerabilities. Users should apply the updates as described in the Red Hat advisory RHSA-2024:6973 and the referenced article https://access.redhat.com/articles/11258. No additional mitigation is indicated by the vendor.

Description

Two vulnerabilities in Dovecot, an IMAP and POP3 server, can lead to denial of service or resource exhaustion. CVE-2024-23184 involves triggering a denial of service by using a large number of address headers. CVE-2024-23185 involves resource exhaustion caused by very large headers during message parsing. These issues affect Red Hat Enterprise Linux 8 and related builds. A security update addressing these vulnerabilities is available from Red Hat.

References

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