How severe is CVE-2009-2578?

CVE-2009-2578 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-2578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2578?

CVE-2009-2578 primarily affects Google Chrome. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2578?

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

When was CVE-2009-2578 published?

CVE-2009-2578 was published on 2009-07-22 and last updated on 2026-06-16.

CVE-2009-2578

CVE-2009-2578 is a medium-severity vulnerability in Google Chrome 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. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Google Chrome
Published: 2009-07-22
Last modified: 2026-06-16

Description

Google Chrome 2.x through 2.0.172 allows remote attackers to cause a denial of service (application crash) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.

Frequently asked questions

What is CVE-2009-2578?: Google Chrome 2.x through 2.0.172 allows remote attackers to cause a denial of service (application crash) via a long Unicode string argument to the write method, a related issue to CVE-2009-2479.
How severe is CVE-2009-2578?: CVE-2009-2578 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-2578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2578?: CVE-2009-2578 primarily affects Google Chrome. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2578?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2578 published?: CVE-2009-2578 was published on 2009-07-22 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:google:chrome:2.0.156.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.157.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.157.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.158.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.159.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:2.0.172:*:*:*:*:*:*:*

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