How severe is CVE-2012-5140?

CVE-2012-5140 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-5140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5140?

CVE-2012-5140 primarily affects Google Chrome. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5140?

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-2012-5140 published?

CVE-2012-5140 was published on 2012-12-12 and last updated on 2026-06-16.

CVE-2012-5140

CVE-2012-5140 is a critical-severity vulnerability in Google Chrome 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. The underlying weakness is classified as CWE-416.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Google Chrome
Published: 2012-12-12
Last modified: 2026-06-16

Description

Use-after-free vulnerability in Google Chrome before 23.0.1271.97 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the URL loader.

Frequently asked questions

What is CVE-2012-5140?: Use-after-free vulnerability in Google Chrome before 23.0.1271.97 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the URL loader.
How severe is CVE-2012-5140?: CVE-2012-5140 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-5140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5140?: CVE-2012-5140 primarily affects Google Chrome. In total, 70 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5140?: 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-2012-5140 published?: CVE-2012-5140 was published on 2012-12-12 and last updated on 2026-06-16.

References

Affected products (70)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.3:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.4:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.5:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.6:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.7:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.8:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.9:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.10:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.11:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.12:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.13:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.14:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.15:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.16:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.17:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.18:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.19:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.20:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.21:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.22:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.23:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.24:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.26:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.30:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.32:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.33:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.35:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.38:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.40:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.41:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.44:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:23.0.1271.45:*:*:*:*:*:*:*

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