How severe is CVE-2009-0751?

CVE-2009-0751 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-0751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0751?

CVE-2009-0751 primarily affects Yaws. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0751?

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

When was CVE-2009-0751 published?

CVE-2009-0751 was published on 2009-03-02 and last updated on 2026-06-16.

CVE-2009-0751

CVE-2009-0751 is a medium-severity vulnerability in Yaws with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Yaws
Published: 2009-03-02
Last modified: 2026-06-16

Description

Yaws before 1.80 allows remote attackers to cause a denial of service (memory consumption and crash) via a request with a large number of headers.

Frequently asked questions

What is CVE-2009-0751?: Yaws before 1.80 allows remote attackers to cause a denial of service (memory consumption and crash) via a request with a large number of headers.
How severe is CVE-2009-0751?: CVE-2009-0751 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-0751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0751?: CVE-2009-0751 primarily affects Yaws. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0751 published?: CVE-2009-0751 was published on 2009-03-02 and last updated on 2026-06-16.

References

Affected products (27)

cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.50:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.51:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.52:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.53:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.54:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.55:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.56:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.57:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.58:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.61:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.62:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.63:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.64:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.65:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.66:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.67:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.68:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.70:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.71:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.72:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.73:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.74:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.75:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.76:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.77:*:*:*:*:*:*:*
cpe:2.3:a:yaws:yaws:1.78:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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