CVE-2006-4018 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 19.4% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 19.4% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2006-08-08 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| clamav | clamav |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Clam Anti-Virus ClamAV 0.88.x - UPX Compressed PE File Heap Buffer Overflow | 2006-08-07 |
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
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:138
- http://www.novell.com/linux/security/advisories/2006_46_clamav.html
- http://www.overflow.pl/adv/clamav_upx_heap.txt
- http://www.securityfocus.com/archive/1/442681/100/0/threaded
- http://www.securityfocus.com/bid/19381
- http://www.trustix.org/errata/2006/0046/
- http://www.vupen.com/english/advisories/2006/3175
- http://www.vupen.com/english/advisories/2006/3275
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