How severe is CVE-2000-0973?

CVE-2000-0973 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-0973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0973?

CVE-2000-0973 primarily affects Daniel Stenberg Curl. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0973?

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-2000-0973 published?

CVE-2000-0973 was published on 2000-12-19 and last updated on 2026-06-16.

CVE-2000-0973

CVE-2000-0973 is a critical-severity vulnerability in Daniel Stenberg Curl with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Daniel Stenberg Curl
Published: 2000-12-19
Last modified: 2026-06-16

Description

Buffer overflow in curl earlier than 6.0-1.1, and curl-ssl earlier than 6.0-1.2, allows remote attackers to execute arbitrary commands by forcing a long error message to be generated.

Frequently asked questions

What is CVE-2000-0973?: Buffer overflow in curl earlier than 6.0-1.1, and curl-ssl earlier than 6.0-1.2, allows remote attackers to execute arbitrary commands by forcing a long error message to be generated.
How severe is CVE-2000-0973?: CVE-2000-0973 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0973?: CVE-2000-0973 primarily affects Daniel Stenberg Curl. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0973?: 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-2000-0973 published?: CVE-2000-0973 was published on 2000-12-19 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:daniel_stenberg:curl:6.0:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.1beta:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.3:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.4:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.5:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.5.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:6.5.2:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:7.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:7.2:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:7.3:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:curl:7.4:*:*:*:*:*:*:*

More vulnerabilities in Daniel Stenberg Curl

CVE-2006-1061 — High (CVSS 7.5): Heap-based buffer overflow in cURL and libcURL 7.15.0 through 7.15.2 allows remote attackers to execute arbitrary…
CVE-2005-4077 — Medium (CVSS 4.6): Multiple off-by-one errors in the cURL library (libcurl) 7.11.2 through 7.15.0 allow local users to trigger a buffer…

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