How severe is CVE-2015-6761?

CVE-2015-6761 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2015-6761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6761?

CVE-2015-6761 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-2015-6761?

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

When was CVE-2015-6761 published?

CVE-2015-6761 was published on 2015-10-15 and last updated on 2026-06-17.

CVE-2015-6761

CVE-2015-6761 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. The underlying weakness is classified as CWE-362.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Google Chrome
Published: 2015-10-15
Last modified: 2026-06-17

Description

The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.

Frequently asked questions

What is CVE-2015-6761?: The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.
How severe is CVE-2015-6761?: CVE-2015-6761 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2015-6761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6761?: CVE-2015-6761 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-2015-6761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6761 published?: CVE-2015-6761 was published on 2015-10-15 and last updated on 2026-06-17.

References

Affected products (2)

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

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