How severe is CVE-2011-2345?

CVE-2011-2345 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-2345 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2345?

CVE-2011-2345 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-2345?

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

When was CVE-2011-2345 published?

CVE-2011-2345 was published on 2011-06-29 and last updated on 2026-06-16.

CVE-2011-2345

CVE-2011-2345 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 4.3. 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-125.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Google Chrome
Published: 2011-06-29
Last modified: 2026-06-16

Description

The NPAPI implementation in Google Chrome before 12.0.742.112 does not properly handle strings, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.

Frequently asked questions

What is CVE-2011-2345?: The NPAPI implementation in Google Chrome before 12.0.742.112 does not properly handle strings, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.
How severe is CVE-2011-2345?: CVE-2011-2345 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-2345 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2345?: CVE-2011-2345 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2345?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2345 published?: CVE-2011-2345 was published on 2011-06-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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