How severe is CVE-1999-0804?

CVE-1999-0804 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-0804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0804?

CVE-1999-0804 primarily affects Debian Debian Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0804?

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

When was CVE-1999-0804 published?

CVE-1999-0804 was published on 1999-06-01 and last updated on 2026-06-16.

CVE-1999-0804

CVE-1999-0804 is a medium-severity vulnerability in Debian Debian Linux 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: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Debian Debian Linux
Published: 1999-06-01
Last modified: 2026-06-16

Description

Denial of service in Linux 2.2.x kernels via malformed ICMP packets containing unusual types, codes, and IP header lengths.

Frequently asked questions

What is CVE-1999-0804?: Denial of service in Linux 2.2.x kernels via malformed ICMP packets containing unusual types, codes, and IP header lengths.
How severe is CVE-1999-0804?: CVE-1999-0804 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-0804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0804?: CVE-1999-0804 primarily affects Debian Debian Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0804 published?: CVE-1999-0804 was published on 1999-06-01 and last updated on 2026-06-16.

References

http://www.securityfocus.com/bid/302

Affected products (4)

cpe:2.3:o:debian:debian_linux:2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.2.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:6.0:*:i386:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.1:*:*:*:*:*:*:*

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