CVE-2006-4182: Integer overflow in ClamAV 0.88.1 and 0.88.4, and other versions before 0.88.5, allows remote attackers to cau

Q: How do I fix CVE-2006-4182?

clamav: upgrade to newer than 0.88.4. Exact commands for each OS are on this page.

Q: Is CVE-2006-4182 being exploited?

CVE-2006-4182 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-4182 affect?

CVE-2006-4182 affects clamav. Severity is high (CVSS 7.5). Integer overflow in ClamAV 0.88.1 and 0.88.4, and other versions before 0.88.5, allows remote attackers to cause a denial of service (scanning service crash) and execute arbitrary code via a crafted Portable Executable (PE) file that leads

Q: How urgent is CVE-2006-4182?

Priority 56/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADE

CVE-2006-4182 is a high-severity flaw (CVSS 7.5) affecting clamav. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow in ClamAV 0.88.1 and 0.88.4, and other versions before 0.88.5, allows remote attackers to cause a denial of service (scanning service crash) and execute arbitrary code via a crafted Portable Executable (PE) file that leads to a heap-based buffer overflow when less memory is allocated than expected.

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	21.4% (top 2%)
CISA exploited list	No
Published	2006-10-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: clam anti-virus

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-10-16 23:07 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

clam anti-virus clamav UPGRADE

Affected: <= 0.88.4 · . · 0.15 · 0.20 · 0.21 · 0.22 · 0.23 · 0.24

Fixed in: newer than 0.88.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy clamav || rpm -q clamav || clamav --version

2. UPGRADE to newer than 0.88.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade clamav

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade clamav

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Clam AntiVirus 0.88.4 - 'rebuildpe' Remote Heap Overflow (PoC)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-4182?

clamav: upgrade to newer than 0.88.4. Exact commands for each OS are on this page.

Is CVE-2006-4182 being exploited?

CVE-2006-4182 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-4182 affect?

CVE-2006-4182 affects clamav. Severity is high (CVSS 7.5). Integer overflow in ClamAV 0.88.1 and 0.88.4, and other versions before 0.88.5, allows remote attackers to cause a denial of service (scanning service crash) and execute arbitrary code via a crafted Portable Executable (PE) file that leads

How urgent is CVE-2006-4182?

Priority 56/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference

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References

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