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Servers and applications

CVE-2008-4907

The message parsing feature in Dovecot 1.1.4 and 1.1.5, when using the FETCH ENVELOPE command in the IMAP client, allows remote attackers to cause a denial of service (persistent crash) via an email with a malformed From address, which triggers an assertion error, aka "invalid message address parsing bug."

Severity
Medium 4.3
Published
4 Nov 2008
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.2% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • Version 1.1.4
  • Version 1.1.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-4907
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-4907