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…
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 6.2%. Treat it as high on anything reachable from the internet.
Description
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."
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 6.20% probability · 93th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 30 October 2008
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- dovecot/dovecot
- Source
- cve@mitre.org
EPSS 6.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://secunia.com/advisories/32479Patch, Vendor Advisory
- http://secunia.com/advisories/32677
- http://secunia.com/advisories/33149
- http://security.gentoo.org/glsa/glsa-200812-16.xml
- http://www.dovecot.org/list/dovecot-news/2008-October/000089.html
- http://www.securityfocus.com/bid/31997Patch
- http://www.ubuntu.com/usn/usn-666-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46227
- http://secunia.com/advisories/32479Patch, Vendor Advisory
- http://secunia.com/advisories/32677
- http://secunia.com/advisories/33149
- http://security.gentoo.org/glsa/glsa-200812-16.xml
- http://www.dovecot.org/list/dovecot-news/2008-October/000089.html
- http://www.securityfocus.com/bid/31997Patch
- http://www.ubuntu.com/usn/usn-666-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46227
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.