High severity · published Nov 13, 2017
CVE-2017-16803
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…
7.5
CVSS
3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libav · Libav
through 11.11; 12.0; 12.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16803
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16803
Third Party Advisory
http://www.securityfocus.com/bid/101882
Issue Tracking
https://bugzilla.libav.org/show_bug.cgi?id=1098
Issue Tracking
https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2f
security.gentoo.org
https://security.gentoo.org/glsa/201811-19
www.debian.org
https://www.debian.org/security/2018/dsa-4119
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