FFmpeg 2.0 libavcodec/vmnc.c decode_hextile memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in FFmpeg 2.0 (Multimedia Processing Software) and classified as problematic. This vulnerability affects the function decode_hextile of the file libavcodec/vmnc.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.

The issue has been introduced in 07/11/2013. The weakness was released 01/20/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/vmnc: Check that rectangles are within the picture as confirmed git commit (GIT Repository). The advisory is available at git.videolan.org. This vulnerability was named CVE-2014-125004. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 193 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

The vulnerability is also documented in the vulnerability database at X-Force (91659). Entries connected to this vulnerability are available at 12582, 12583, 12584 and 12588.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

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Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
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Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.videolan.org


07/11/2013 🔍
01/20/2014 +193 days 🔍
03/07/2014 +46 days 🔍
03/13/2014 +6 days 🔍
06/17/2022 +3018 days 🔍


Product: ffmpeg.org

Advisory: avcodec/vmnc: Check that rectangles are within the picture
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed

CVE: CVE-2014-125004 (🔍)
X-Force: 91659 - FFmpeg decode_hextile() denial of service, Medium Risk
Secunia: 57282 - FFmpeg Multiple Vulnerabilities, Less Critical

See also: 🔍


Created: 03/13/2014 03:24 PM
Updated: 06/17/2022 11:19 PM
Changes: 03/13/2014 03:24 PM (46), 04/17/2019 08:37 AM (9), 06/17/2022 11:19 PM (3)
Complete: 🔍


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