Is CVE-2006-5973 in the CISA KEV catalog?

No. CVE-2006-5973 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-5973?

CVE-2006-5973 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2006-5973?

CVE-2006-5973 has an EPSS score of 2.65% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-5973?

Upgrade dovecot on debian 11 to 1.0.rc15-1 or later.

CVE & CISA-KEV Catalog

CVE-2006-5973

MEDIUMEPSS 84th pctl

5.0

CVSS v2

NVD

Description

Off-by-one buffer overflow in Dovecot 1.0test53 through 1.0.rc14, and possibly other versions, when index files are used and mmap_disable is set to "yes," allows remote authenticated IMAP or POP3 users to cause a denial of service (crash) via unspecified vectors involving the cache file.

How to fix

Remediation Available

dovecotDebian

Fixed in:1.0.rc15-1CVE-2006-5973

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.65%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch1

dovecot.org

Vendor Advisory1

secunia.com

Other references12

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.