6.8
MEDIUM
CVE-2015-6761
FFmpeg VP8 Update Dimensions Denial of Service
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.

INFO

Published Date :

Oct. 15, 2015, 10:59 a.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2015-6761 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Google chrome
1 Ffmpeg ffmpeg
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-6761.

URL Resource
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872c
http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html
http://rhn.redhat.com/errata/RHSA-2015-1912.html
http://www.debian.org/security/2015/dsa-3376
http://www.securityfocus.com/bid/77073
http://www.securitytracker.com/id/1033816
http://www.ubuntu.com/usn/USN-2770-1
http://www.ubuntu.com/usn/USN-2770-2
https://code.google.com/p/chromium/issues/detail?id=447860
https://code.google.com/p/chromium/issues/detail?id=532967
https://codereview.chromium.org/1376913003
https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
https://security.gentoo.org/glsa/201603-09
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872c
http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html
http://rhn.redhat.com/errata/RHSA-2015-1912.html
http://www.debian.org/security/2015/dsa-3376
http://www.securityfocus.com/bid/77073
http://www.securitytracker.com/id/1033816
http://www.ubuntu.com/usn/USN-2770-1
http://www.ubuntu.com/usn/USN-2770-2
https://code.google.com/p/chromium/issues/detail?id=447860
https://code.google.com/p/chromium/issues/detail?id=532967
https://codereview.chromium.org/1376913003
https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
https://security.gentoo.org/glsa/201603-09

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-6761 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-6761 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872c
    Added Reference http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-1912.html
    Added Reference http://www.debian.org/security/2015/dsa-3376
    Added Reference http://www.securityfocus.com/bid/77073
    Added Reference http://www.securitytracker.com/id/1033816
    Added Reference http://www.ubuntu.com/usn/USN-2770-1
    Added Reference http://www.ubuntu.com/usn/USN-2770-2
    Added Reference https://code.google.com/p/chromium/issues/detail?id=447860
    Added Reference https://code.google.com/p/chromium/issues/detail?id=532967
    Added Reference https://codereview.chromium.org/1376913003
    Added Reference https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
    Added Reference https://security.gentoo.org/glsa/201603-09
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Chrome http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html [No types assigned]
    Added Reference Chrome https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html [No types assigned]
    Added Reference Chrome https://codereview.chromium.org/1376913003 [No types assigned]
    Added Reference Chrome http://www.debian.org/security/2015/dsa-3376 [No types assigned]
    Added Reference Chrome https://code.google.com/p/chromium/issues/detail?id=532967 [No types assigned]
    Added Reference Chrome https://code.google.com/p/chromium/issues/detail?id=447860 [No types assigned]
    Added Reference Chrome http://www.securityfocus.com/bid/77073 [No types assigned]
    Added Reference Chrome https://security.gentoo.org/glsa/201603-09 [No types assigned]
    Added Reference Chrome http://www.securitytracker.com/id/1033816 [No types assigned]
    Added Reference Chrome http://www.ubuntu.com/usn/USN-2770-1 [No types assigned]
    Added Reference Chrome http://rhn.redhat.com/errata/RHSA-2015-1912.html [No types assigned]
    Added Reference Chrome http://www.ubuntu.com/usn/USN-2770-2 [No types assigned]
    Added Reference Chrome http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872c [No types assigned]
    Removed Reference Google Inc. https://code.google.com/p/chromium/issues/detail?id=532967
    Removed Reference Google Inc. http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html
    Removed Reference Google Inc. https://code.google.com/p/chromium/issues/detail?id=447860
    Removed Reference Google Inc. http://git.videolan.org/?p=ffmpeg.git;a=commit;h=dabea74d0e82ea80cd344f630497cafcb3ef872c
    Removed Reference Google Inc. https://codereview.chromium.org/1376913003
    Removed Reference Google Inc. http://www.securityfocus.com/bid/77073
    Removed Reference Google Inc. https://security.gentoo.org/glsa/201603-09
    Removed Reference Google Inc. http://rhn.redhat.com/errata/RHSA-2015-1912.html
    Removed Reference Google Inc. http://www.securitytracker.com/id/1033816
    Removed Reference Google Inc. http://www.ubuntu.com/usn/USN-2770-2
    Removed Reference Google Inc. http://www.ubuntu.com/usn/USN-2770-1
    Removed Reference Google Inc. http://www.debian.org/security/2015/dsa-3376
    Removed Reference Google Inc. https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source Google Inc. Chrome
  • CVE Modified by [email protected]

    Dec. 21, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 24, 2016

    Action Type Old Value New Value
    Added Reference http://www.ubuntu.com/usn/USN-2770-2 [No Types Assigned]
    Added Reference http://www.ubuntu.com/usn/USN-2770-1 [No Types Assigned]
    Added Reference http://www.debian.org/security/2015/dsa-3376 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 08, 2016

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2015-1912.html [No Types Assigned]
    Added Reference http://www.securitytracker.com/id/1033816 [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 03, 2016

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201603-09 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/77073 [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 15, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:ffmpeg:ffmpeg:2.8.1:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:a:google:chrome:45.0.2454.101:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Changed Reference Type http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html No Types Assigned http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html Advisory, Patch
    Added CWE CWE-362
  • Initial Analysis by [email protected]

    Oct. 15, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-6761 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-6761 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.15 }} 0.02%

score

0.76650

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability