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Vulnerability record · CVE-2007-5466 · published 15 October 2007

CVE-2007-5466: Extremail memory buffer overflow vulnerability

EExtremail · Extremail

Multiple buffer overflows in eXtremail 2.1.1 and earlier allow remote attackers to (1) have an unknown impact by sending multiple long strings to the IMAP port (143/tcp); (2) execute arbitrary code via a long string in an IMAP AUTHENTICATE PLAIN action, involving the ifParseAuthPlain function; (3) execute arbitrary code via a long LOGIN command to the admin interface port (4501/tcp); or (4) execute arbitrary code via a long string in an IMAP AUTHENTICATE LOGIN (aka CRAM-MD5 authentication) action, involving the ifProcImapAuth1 function.

10.0 CVSS 2.0 High EPSS 20% · top 2.7% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

Multiple buffer overflows in eXtremail 2.1.1 and earlier allow remote attackers to (1) have an unknown impact by sending multiple long strings to the IMAP port (143/tcp); (2) execute arbitrary code via a long string in an IMAP AUTHENTICATE PLAIN action, involving the ifParseAuthPlain function; (3) execute arbitrary code via a long LOGIN command to the admin interface port (4501/tcp); or (4) execute arbitrary code via a long string in an IMAP AUTHENTICATE LOGIN (aka CRAM-MD5 authentication) action, involving the ifProcImapAuth1 function.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/27220 Vendor Advisory
http://www.digit-labs.org/files/exploits/extremail-v4.c
http://www.digit-labs.org/files/exploits/extremail-v5.c
http://www.digit-labs.org/files/exploits/extremail-v6.c
http://www.digit-labs.org/files/exploits/extremail-v8.pl
http://www.securityfocus.com/archive/1/482293
http://www.securityfocus.com/bid/26074
https://exchange.xforce.ibmcloud.com/vulnerabilities/37209
https://www.exploit-db.com/exploits/4533
https://www.exploit-db.com/exploits/4534
https://www.exploit-db.com/exploits/4535
http://secunia.com/advisories/27220 Vendor Advisory
http://www.digit-labs.org/files/exploits/extremail-v4.c
http://www.digit-labs.org/files/exploits/extremail-v5.c
http://www.digit-labs.org/files/exploits/extremail-v6.c
http://www.digit-labs.org/files/exploits/extremail-v8.pl
http://www.securityfocus.com/archive/1/482293
http://www.securityfocus.com/bid/26074
https://exchange.xforce.ibmcloud.com/vulnerabilities/37209
https://www.exploit-db.com/exploits/4533
https://www.exploit-db.com/exploits/4534
https://www.exploit-db.com/exploits/4535

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-5466), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.