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Vulnerability details: VCID-fz3u-p7uk-aaag
Vulnerability ID VCID-fz3u-p7uk-aaag
Aliases CVE-2017-16803
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
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cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2017-16803
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-16803
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-16803
https://bugzilla.libav.org/show_bug.cgi?id=1098
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16803
https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2f
https://security.gentoo.org/glsa/201811-19
https://www.debian.org/security/2018/dsa-4119
http://www.securityfocus.com/bid/101882
cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:12.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libav:libav:12.0:*:*:*:*:*:*:*
cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:*
CVE-2017-16803 https://nvd.nist.gov/vuln/detail/CVE-2017-16803
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-16803
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-16803
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.69126
EPSS Score 0.00676
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.