CVE-2007-2026
CVE-2007-2026 is a high-severity vulnerability in Amavis Virus Scanner with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Amavis Virus Scanner
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2007-2026?
- 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.
- How severe is CVE-2007-2026?
- CVE-2007-2026 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2007-2026 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-2026?
- CVE-2007-2026 primarily affects Amavis Virus Scanner. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2007-2026?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2007-2026 published?
- CVE-2007-2026 was published on 2007-04-13 and last updated on 2026-06-16.
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
- https://issues.rpath.com/browse/RPL-1311
Affected products (2)
- cpe:2.3:a:amavis:virus_scanner:*:*:*:*:*:*:*:*
- cpe:2.3:a:gentoo:file:4.20:*:*:*:*:*:*:*
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