What’s Vulnerable › Vulnerabilities

CVE-2006-4018

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2006-08-08 · updated 2026-06-16
• Weakness: CWE-119

Description

Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV) 0.81 through 0.88.3 allows remote attackers to execute arbitrary code via a crafted UPX packed file containing sections with large rsize values.

Affected products

• Cisco ClamAV: 0.81, 0.81-rc1, 0.82, 0.83, 0.84, 0.84-rc1 (+13)

References

• http://kolab.org/security/kolab-vendor-notice-10.txt
• http://secunia.com/advisories/21368
• http://secunia.com/advisories/21374
• http://secunia.com/advisories/21433
• http://secunia.com/advisories/21443
• http://secunia.com/advisories/21457
• http://secunia.com/advisories/21497
• http://secunia.com/advisories/21562
• http://security.gentoo.org/glsa/glsa-200608-13.xml
• http://securitytracker.com/id?1016645
• http://www.clamav.net/security/0.88.4.html
• http://www.debian.org/security/2006/dsa-1153

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