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Vulnerability details: VCID-2a68-4wtr-7ke1
Vulnerability ID VCID-2a68-4wtr-7ke1
Aliases CVE-2021-25803
Summary A buffer overflow vulnerability in the vlc_input_attachment_New component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
Status Published
Exploitability 0.5
Weighted Severity 6.4
Risk 3.2
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2021-25803
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2021-25803
cvssv3.1 7.1 https://nvd.nist.gov/vuln/detail/CVE-2021-25803
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-25803
https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26664
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25801
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25802
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25803
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25804
cpe:2.3:a:videolan:vlc_media_player:3.0.11:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:videolan:vlc_media_player:3.0.11:*:*:*:*:*:*:*
CVE-2021-25803 https://nvd.nist.gov/vuln/detail/CVE-2021-25803
USN-6180-1 https://usn.ubuntu.com/6180-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-25803
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-25803
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 0.51374
EPSS Score 0.00283
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:42:09.031412+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/6180-1/ 37.0.0