CVE-2007-2026

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-04-13 · updated 2026-06-16

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.

Affected products

Amavis Virus Scanner: all versions
gentoo File: 4.20

References

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-user
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

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