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Vulnerability record · CVE-2012-2124 · published 18 January 2013

CVE-2012-2124: Squirrelmail vulnerability

Squirrelmail · Squirrelmail

functions/imap_general.php in SquirrelMail, as used in Red Hat Enterprise Linux (RHEL) 4 and 5, does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preference files. NOTE: this issue exists because of an incorrect fix for CVE-2010-2813.

5.0 CVSS 2.0 Medium EPSS 2.5% · top 16.2% CWE-399 · CWE-399
5.0CVSS 2.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

functions/imap_general.php in SquirrelMail, as used in Red Hat Enterprise Linux (RHEL) 4 and 5, does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preference files. NOTE: this issue exists because of an incorrect fix for CVE-2010-2813.

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

Affected products

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

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2013-0126.html Vendor Advisory
http://secunia.com/advisories/51730 Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/04/20/22
https://bugzilla.redhat.com/show_bug.cgi?id=814671
http://rhn.redhat.com/errata/RHSA-2013-0126.html Vendor Advisory
http://secunia.com/advisories/51730 Vendor Advisory
http://www.openwall.com/lists/oss-security/2012/04/20/22
https://bugzilla.redhat.com/show_bug.cgi?id=814671

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

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Source: NIST National Vulnerability Database (record CVE-2012-2124), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.