CVE-2006-4018
Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-4018- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-4018- Updated
- 2026-11-02
EUVDEUVD-2006-4011 No score
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.
- Record
EUVD-2006-4011- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4jgv-gpc4-9rmg No score
Heap-based buffer overflow in the pefromupx function in libclamav/upx.c in Clam AntiVirus (ClamAV...
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.
- Record
GHSA-4jgv-gpc4-9rmg- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2006-4018- Updated
- 2026-11-02
OSVDEBIAN-CVE-2006-4018 No score
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.
- Record
DEBIAN-CVE-2006-4018- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
clamavDebian:12 |
before 0.88.4-1 | 0.88.4-1 |
clamavDebian:13 |
before 0.88.4-1 | 0.88.4-1 |
clamavDebian:14 |
before 0.88.4-1 | 0.88.4-1 |
clamavDebian:3.1 |
before 0.84-2.sarge.10, plus listed versions 0.84-20.84-2.sarge.10.84-2.sarge.20.84-2.sarge.30.84-2.sarge.4 Show 5 moreShow less0.84-2.sarge.50.84-2.sarge.60.84-2.sarge.70.84-2.sarge.80.84-2.sarge.9 |
0.84-2.sarge.10 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Clam Anti-Virus ClamAV 0.88.x - UPX Compressed PE File Heap Buffer Overflow | 2006-08-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-4018 is a high vulnerability (CVSS 7.5) in Clamav, published August 8, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 19.4%, the 97th percentile. Fixed in clamav 0.88.4-1.
References
vupen.com/english/advisories/2006/3175
securityfocus.com/archive/1/442681/100/0/threaded
secunia.com/advisories/21562
novell.com/linux/security/advisories/2006_46_clamav.html
Show 18 moreShow less
security.gentoo.org/glsa/glsa-200608-13.xml
kolab.org/security/kolab-vendor-notice-10.txt
debian.org/security/2006/dsa-1153
mandriva.com/security/advisories?name=MDKSA-2006:138
securitytracker.com/id?1016645
overflow.pl/adv/clamav_upx_heap.txt
clamav.net/security/0.88.4.html
exchange.xforce.ibmcloud.com/vulnerabilities/28286
trustix.org/errata/2006/0046
nvd.nist.gov/vuln/detail/CVE-2006-4018
github.com/advisories/GHSA-4jgv-gpc4-9rmg
security-tracker.debian.org/tracker/CVE-2006-4018