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Vulnerability details: VCID-xkvw-3cby-3uch
Vulnerability ID VCID-xkvw-3cby-3uch
Aliases CVE-2019-12874
Summary An issue was discovered in zlib_decompress_extra in modules/demux/mkv/util.cpp in VideoLAN VLC media player 3.x through 3.0.7. The Matroska demuxer, while parsing a malformed MKV file type, has a double free.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-415 Double Free
System Score Found at
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
epss 0.02534 https://api.first.org/data/v1/epss?cve=CVE-2019-12874
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-12874
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2019-12874
archlinux Critical https://security.archlinux.org/AVG-998
Reference id Reference type URL
http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=81023659c7de5ac2637b4a879195efef50846102
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html
https://api.first.org/data/v1/epss?cve=CVE-2019-12874
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12874
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5439
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5459
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5460
https://security.gentoo.org/glsa/201908-23
http://www.securityfocus.com/bid/108882
ASA-201906-22 https://security.archlinux.org/ASA-201906-22
AVG-998 https://security.archlinux.org/AVG-998
cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:*
CVE-2019-12874 https://nvd.nist.gov/vuln/detail/CVE-2019-12874
USN-4074-1 https://usn.ubuntu.com/4074-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12874
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12874
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 0.84845
EPSS Score 0.02534
Published At Aug. 7, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:39:30.056049+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4074-1/ 37.0.0