How severe is CVE-2004-0506?

CVE-2004-0506 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-0506 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0506?

CVE-2004-0506 primarily affects Ethereal Group Ethereal. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0506?

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

When was CVE-2004-0506 published?

CVE-2004-0506 was published on 2004-08-18 and last updated on 2026-06-16.

CVE-2004-0506

CVE-2004-0506 is a medium-severity vulnerability in Ethereal Group Ethereal 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ethereal Group Ethereal
Published: 2004-08-18
Last modified: 2026-06-16

Description

The SPNEGO dissector in Ethereal 0.9.8 to 0.10.3 allows remote attackers to cause a denial of service (crash) via unknown attack vectors that cause a null pointer dereference.

Frequently asked questions

What is CVE-2004-0506?: The SPNEGO dissector in Ethereal 0.9.8 to 0.10.3 allows remote attackers to cause a denial of service (crash) via unknown attack vectors that cause a null pointer dereference.
How severe is CVE-2004-0506?: CVE-2004-0506 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-0506 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0506?: CVE-2004-0506 primarily affects Ethereal Group Ethereal. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0506?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0506 published?: CVE-2004-0506 was published on 2004-08-18 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:ethereal_group:ethereal:0.10.1:*:*:*:*:*:*:*
cpe:2.3:a:ethereal_group:ethereal:0.10.2:*:*:*:*:*:*:*
cpe:2.3:a:ethereal_group:ethereal:0.10.3:*:*:*:*:*:*:*
cpe:2.3:a:sgi:propack:2.4:*:*:*:*:*:*:*
cpe:2.3:a:sgi:propack:3.0:*:*:*:*:*:*:*

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