How severe is CVE-2003-0453?

CVE-2003-0453 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2003-0453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0453?

CVE-2003-0453 affects Ehud Gavron Traceroute-nanog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2003-0453 published?

CVE-2003-0453 was published on 2003-08-07 and last updated on 2026-06-16.

CVE-2003-0453

CVE-2003-0453 is a critical-severity vulnerability in Ehud Gavron Traceroute-nanog with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ehud Gavron Traceroute-nanog
Published: 2003-08-07
Last modified: 2026-06-16

Description

traceroute-nanog 6.1.1 allows local users to overwrite unauthorized memory and possibly execute arbitrary code via certain "nprobes" and "max_ttl" arguments that cause an integer overflow that is used when allocating memory, which leads to a buffer overflow.

Frequently asked questions

What is CVE-2003-0453?: traceroute-nanog 6.1.1 allows local users to overwrite unauthorized memory and possibly execute arbitrary code via certain "nprobes" and "max_ttl" arguments that cause an integer overflow that is used when allocating memory, which leads to a buffer overflow.
How severe is CVE-2003-0453?: CVE-2003-0453 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-0453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0453?: CVE-2003-0453 affects Ehud Gavron Traceroute-nanog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-0453 published?: CVE-2003-0453 was published on 2003-08-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ehud_gavron:traceroute-nanog:6.1.1:*:*:*:*:*:*:*