CVE-2017-16803

7.5 HIGH
Published: November 13, 2017 Modified: May 13, 2026
View on NVD

Description

In Libav through 11.11 and 12.x through 12.1, the smacker_decode_tree function in libavcodec/smacker.c does not properly restrict tree recursion, which allows remote attackers to cause a denial of service (bitstream.c:build_table() out-of-bounds read and application crash) via a crafted Smacker stream.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/101882
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugzilla.libav.org/show_bug.cgi?id=1098
Source: cve@mitre.org
Issue Tracking
http://www.securityfocus.com/bid/101882
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.libav.org/show_bug.cgi?id=1098
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2f
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://security.gentoo.org/glsa/201811-19
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.debian.org/security/2018/dsa-4119
Source: af854a3a-2127-422b-91ae-364da2661108

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.7%
72th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

libav