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CVE-2016-9820

Good to know:

Date: March 1, 2017

libavcodec/mpegvideo_motion.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Language: C

Severity Score

5.5

Related Resources (5)

Url: http://www.securityfocus.com/bid/94732

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-9820

Url: https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-9820

Url: https://www.mend.io/vulnerability-database/CVE-2016-9820

Severity Score

5.5

Weakness Type (CWE)

Numeric Errors

CWE-189

Top Fix

Upgrade Version

Upgrade to version v11.9

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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