How severe is CVE-2001-0738?

CVE-2001-0738 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0738?

CVE-2001-0738 primarily affects Immunix. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0738?

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

When was CVE-2001-0738 published?

CVE-2001-0738 was published on 2001-10-18 and last updated on 2026-06-16.

CVE-2001-0738

CVE-2001-0738 is a medium-severity vulnerability in Immunix 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: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Immunix
Published: 2001-10-18
Last modified: 2026-06-16

Description

LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages.

Frequently asked questions

What is CVE-2001-0738?: LogLine function in klogd in sysklogd 1.3 in various Linux distributions allows an attacker to cause a denial of service (hang) by causing null bytes to be placed in log messages.
How severe is CVE-2001-0738?: CVE-2001-0738 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0738?: CVE-2001-0738 primarily affects Immunix. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0738 published?: CVE-2001-0738 was published on 2001-10-18 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:immunix:immunix:6.2:*:*:*:*:*:*:*
cpe:2.3:a:immunix:immunix:7.0:*:*:*:*:*:*:*
cpe:2.3:a:immunix:immunix:7.0_beta:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:1.3:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*

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