CVE-2004-2382: The PerfectNav plugin for Microsoft Internet Explorer allows remote attackers to cause a denial of service (br

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MEDIUM 5.0WATCHLISTMITIGATE

CVE-2004-2382 is a medium-severity flaw (CVSS 5.0) affecting perfectnav. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PerfectNav plugin for Microsoft Internet Explorer allows remote attackers to cause a denial of service (browser crash) via a malformed URL such as "?".

Why this priority

On your watchlist

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: perfectnav

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

perfectnav perfectnav MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2004-2382?

perfectnav: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2382 being exploited?

CVE-2004-2382 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-2004-2382 affect?

CVE-2004-2382 affects perfectnav. Severity is medium (CVSS 5.0). The PerfectNav plugin for Microsoft Internet Explorer allows remote attackers to cause a denial of service (browser crash) via a malformed URL such as "?".

How urgent is CVE-2004-2382?

Priority 41/100. On your watchlist

Software pages

Internet Explorer vulnerabilities

References

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