CVE-2006-5295: Unspecified vulnerability in ClamAV before 0.88.5 allows remote attackers to cause a denial of service (scanni

Q: How do I fix CVE-2006-5295?

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

Q: Is CVE-2006-5295 being exploited?

CVE-2006-5295 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-2006-5295 affect?

CVE-2006-5295 affects clamav. Severity is medium (CVSS 5.0). Unspecified vulnerability in ClamAV before 0.88.5 allows remote attackers to cause a denial of service (scanning service crash) via a crafted Compressed HTML Help (CHM) file that causes ClamAV to "read an invalid memory location."

Q: How urgent is CVE-2006-5295?

Priority 46/100. EPSS top 4%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.0UPGRADE

CVE-2006-5295 is a medium-severity flaw (CVSS 5.0) affecting clamav. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in ClamAV before 0.88.5 allows remote attackers to cause a denial of service (scanning service crash) via a crafted Compressed HTML Help (CHM) file that causes ClamAV to "read an invalid memory location."

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	11.4% (top 4%)
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 22:30 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 - CHM Chunk Name Length Denial of Service (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-2006-5295?

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

Is CVE-2006-5295 being exploited?

CVE-2006-5295 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-2006-5295 affect?

CVE-2006-5295 affects clamav. Severity is medium (CVSS 5.0). Unspecified vulnerability in ClamAV before 0.88.5 allows remote attackers to cause a denial of service (scanning service crash) via a crafted Compressed HTML Help (CHM) file that causes ClamAV to "read an invalid memory location."

How urgent is CVE-2006-5295?

Priority 46/100. EPSS top 4%: very likely to be exploited; Public exploit reference

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References

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