Is CVE-2015-6761 in the CISA KEV catalog?

No. CVE-2015-6761 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-6761?

CVE-2015-6761 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2015-6761?

CVE-2015-6761 has an EPSS score of 1.05% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-6761?

Upgrade ffmpeg on debian 11 to 7:2.8.1-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-6761

MEDIUM

6.8

CVSS v2

NVD

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.

CWE-362Race Condition

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:2.8.1-1CVE-2015-6761

liboxideqtcore0Ubuntu

Fixed in:1.10.3-0ubuntu0.14.04.1USN-2770-1

oxide-qtUbuntu

Fixed in:1.10.3-0ubuntu0.14.04.1USN-2770-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.05%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Other references13

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.