FFmpeg 1.2 libavutil/log.c format_line numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in FFmpeg 1.2 (Multimedia Processing Software). It has been classified as critical. This affects the function format_line of the file libavutil/log.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on availability.

The issue has been introduced in 03/07/2013. The weakness was presented 04/30/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as not defined advisory (Website). It is possible to read the advisory at ffmpeg.org. The public release was coordinated in cooperation with the project team. This vulnerability is uniquely identified as CVE-2013-3671 since 05/24/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 54 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 70647 (GLSA-201310-12 : FFmpeg: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context local.

Upgrading to version 1.2.1 eliminates this vulnerability. The upgrade is hosted for download at git.videolan.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 36465), Secunia (SA53825) and Tenable (70647). See 5510, 7875, 7876 and 7877 for similar entries.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Denial of service
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 70647
Nessus Name: GLSA-201310-12 : FFmpeg: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841403
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201310-12
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FFmpeg 1.2.1
Patch: git.videolan.org


03/07/2013 🔍
04/30/2013 +54 days 🔍
04/30/2013 +0 days 🔍
05/07/2013 +7 days 🔍
05/24/2013 +17 days 🔍
06/09/2013 +16 days 🔍
06/14/2013 +5 days 🔍
06/14/2013 +0 days 🔍
10/27/2013 +135 days 🔍
04/15/2019 +1996 days 🔍


Product: https://ffmpeg.org/

Advisory: ffmpeg.org
Researcher: Mateusz Jurczyk/Gynvael Coldwind
Organization: Google Security Team
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-3671 (🔍)
SecurityFocus: 36465
Secunia: 53825 - FFmpeg Multiple Vulnerabilities, Moderately Critical
OSVDB: 94161

See also: 🔍


Created: 06/14/2013 10:21 AM
Updated: 04/15/2019 11:42 AM
Changes: (10) vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a source_secunia_date source_securityfocus
Complete: 🔍


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