VDB-135319 · CVE-2017-5984 · Nessus 255083

libav 9.21 libavcodec ff_h264_execute_ref_pic_marking out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in libav 9.21. This affects the function ff_h264_execute_ref_pic_marking of the component libavcodec. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2017-5984. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in libav 9.21 (Multimedia Player Software) and classified as critical. Affected by this vulnerability is the function ff_h264_execute_ref_pic_marking of the component libavcodec. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In libavcodec in Libav 9.21, ff_h264_execute_ref_pic_marking() has a heap-based buffer over-read.

The weakness was shared 05/22/2019. This vulnerability is known as CVE-2017-5984 since 02/13/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 255083 (Linux Distros Unpatched Vulnerability : CVE-2017-5984), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (255083). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

libav

Version

9.21

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 255083
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2017-5984

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/13/2017 🔍
05/22/2019 +828 days 🔍
05/23/2019 +1 days 🔍
08/27/2025 +2288 days 🔍

Sourcesinfo

Advisory: bugzilla.libav.org
Status: Not defined

CVE: CVE-2017-5984 (🔍)
GCVE (CVE): GCVE-0-2017-5984
GCVE (VulDB): GCVE-100-135319

Entryinfo

Created: 05/23/2019 06:51
Updated: 08/27/2025 10:49
Changes: 05/23/2019 06:51 (35), 06/14/2020 11:00 (18), 09/23/2023 13:44 (3), 08/27/2025 10:49 (17)
Complete: 🔍
Cache ID: 216::103