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CVE-2021-25803

Date: July 26, 2021

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.

Language: C

Severity Score

Related Resources (5)

https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb
https://security-tracker.debian.org/tracker/CVE-2021-25803
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-25803
https://nvd.nist.gov/vuln/detail/CVE-2021-25803
https://www.mend.io/vulnerability-database/CVE-2021-25803

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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