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Vulnerability record · CVE-2007-2026 · published 13 April 2007

CVE-2007-2026: Amavis virus scanner vulnerability

Amavis · Virus Scanner

The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.

7.8 CVSS 2.0 High EPSS 2.1% · top 19.1%
7.8CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/24918
http://secunia.com/advisories/25394
http://secunia.com/advisories/25544
http://secunia.com/advisories/25578
http://sourceforge.net/mailarchive/forum.php?thread_name=755AF709E5B77E6EA58479D5%40foxx.lsit.ucsb.edu&forum_name=amavis
http://www.amavis.org/security/asa-2007-3.txt
http://www.gentoo.org/security/en/glsa/glsa-200704-13.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2007:114
http://www.securityfocus.com/archive/1/469520/30/6420/threaded
http://www.securityfocus.com/bid/24146
http://www.vupen.com/english/advisories/2007/2071
https://bugs.gentoo.org/show_bug.cgi?id=174217
https://issues.rpath.com/browse/RPL-1311
http://secunia.com/advisories/24918
http://secunia.com/advisories/25394
http://secunia.com/advisories/25544
http://secunia.com/advisories/25578
http://sourceforge.net/mailarchive/forum.php?thread_name=755AF709E5B77E6EA58479D5%40foxx.lsit.ucsb.edu&forum_name=amavis
http://www.amavis.org/security/asa-2007-3.txt
http://www.gentoo.org/security/en/glsa/glsa-200704-13.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2007:114
http://www.securityfocus.com/archive/1/469520/30/6420/threaded
http://www.securityfocus.com/bid/24146
http://www.vupen.com/english/advisories/2007/2071
https://bugs.gentoo.org/show_bug.cgi?id=174217
https://issues.rpath.com/browse/RPL-1311

Track CVE-2007-2026 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

10.0CVE-1999-1512Amavis virus scanner vulnerabilityThe AMaViS virus scanner 0.2.0-pre4 and earlier allows remote attackers to execute arbitrary commands as root via an infected mail message with shell…EPSS 5.1%2.1CVE-2002-1109Amavis virus scanner vulnerabilitysecuretar, as used in AMaViS shell script 0.2.1 and earlier, allows users to cause a denial of service (CPU consumption) via a malformed TAR file, po…EPSS 0.36%

Source: NIST National Vulnerability Database (record CVE-2007-2026), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.