CVE-2008-5532: Ikarus Virus Utilities T3.1.1.45.0 and possibly T3.1.1.34.0, when Internet Explorer 6 or 7 is used, allows rem

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HIGH 9.3DOWNGRADE

CVE-2008-5532 is a high-severity flaw (CVSS 9.3) affecting ikarus antivirus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ikarus Virus Utilities T3.1.1.45.0 and possibly T3.1.1.34.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

Why this priority

Critical severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-20
Published	2008-12-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ikarus

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

Am I affected?

Timeline

2008-12-12 18:30 UTCPublished CVE record published
2026-06-16 23:00 UTCUpdated Record last modified

ikarus ikarus antivirus DOWNGRADE

Affected: t3.1.1.34.0 · t3.1.1.45.0

Fixed in: no fixed release known

Safe to downgrade to: a release before t3.1.1.34.0

1. Check installed version

apt-cache policy ikarus-antivirus || rpm -q ikarus-antivirus || ikarus-antivirus --version

2. No fixed release: DOWNGRADE to a release before t3.1.1.34.0 (Debian / Ubuntu)

apt-cache madison ikarus-antivirus sudo apt install ikarus-antivirus=<VERSION_BEFORE_t3.1.1.34.0> sudo apt-mark hold ikarus-antivirus

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ikarus-antivirus sudo dnf downgrade ikarus-antivirus-<VERSION_BEFORE_t3.1.1.34.0> sudo dnf versionlock add ikarus-antivirus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2008-5532?

ikarus antivirus: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-5532 being exploited?

CVE-2008-5532 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-2008-5532 affect?

CVE-2008-5532 affects ikarus antivirus. Severity is high (CVSS 9.3). Ikarus Virus Utilities T3.1.1.45.0 and possibly T3.1.1.34.0, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and mo

How urgent is CVE-2008-5532?

Priority 53/100. Critical severity

Software pages

Internet Explorer vulnerabilities

Related CVEs

CVE-2017-15643 HIGH 7.4 DOWNGRADE An active network attacker (MiTM) can achieve remote code execution on a machine that runs IKARUS Anti Virus 2

References

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