How severe is CVE-2004-1534?

CVE-2004-1534 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-1534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-1534?

CVE-2004-1534 primarily affects Zonelabs Zonealarm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-1534?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2004-1534 published?

CVE-2004-1534 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-1534

CVE-2004-1534 is a medium-severity vulnerability in Zonelabs Zonealarm with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zonelabs Zonealarm
Published: 2004-12-31
Last modified: 2026-06-16

Description

ZoneAlarm and ZoneAlarm Pro before 5.5.062, with ad-blocking enabled, allows remote web sites to cause a denial of service (application instability or system hang) via certain JavaScript.

Frequently asked questions

What is CVE-2004-1534?: ZoneAlarm and ZoneAlarm Pro before 5.5.062, with ad-blocking enabled, allows remote web sites to cause a denial of service (application instability or system hang) via certain JavaScript.
How severe is CVE-2004-1534?: CVE-2004-1534 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1534?: CVE-2004-1534 primarily affects Zonelabs Zonealarm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1534 published?: CVE-2004-1534 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:zonelabs:zonealarm:4.0:*:pro:*:*:*:*:*
cpe:2.3:a:zonelabs:zonealarm:4.5:*:pro:*:*:*:*:*
cpe:2.3:a:zonelabs:zonealarm:4.5.538.001:*:pro:*:*:*:*:*
cpe:2.3:a:zonelabs:zonealarm:5.0.590.015:*:pro:*:*:*:*:*
cpe:2.3:a:zonelabs:zonealarm:5.5:*:*:*:*:*:*:*

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