How severe is CVE-2015-1251?

CVE-2015-1251 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-1251 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1251?

CVE-2015-1251 primarily affects Google Chrome. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1251?

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

When was CVE-2015-1251 published?

CVE-2015-1251 was published on 2015-05-20 and last updated on 2026-06-17.

CVE-2015-1251

CVE-2015-1251 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Chrome
Published: 2015-05-20
Last modified: 2026-06-17

Description

Use-after-free vulnerability in the SpeechRecognitionClient implementation in the Speech subsystem in Google Chrome before 43.0.2357.65 allows remote attackers to execute arbitrary code via a crafted document.

Frequently asked questions

What is CVE-2015-1251?: Use-after-free vulnerability in the SpeechRecognitionClient implementation in the Speech subsystem in Google Chrome before 43.0.2357.65 allows remote attackers to execute arbitrary code via a crafted document.
How severe is CVE-2015-1251?: CVE-2015-1251 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-1251 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1251?: CVE-2015-1251 primarily affects Google Chrome. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1251?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1251 published?: CVE-2015-1251 was published on 2015-05-20 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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