Vulnerability Monitor

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CVE-2020-13428

A heap-based buffer overflow in the hxxx_AnnexB_to_xVC function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player before 3.0.11 for macOS/iOS allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted H.264 Annex-B video (.avi for example) file.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from videolan, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-06-08T19:15:10.580

Last Modified

2024-11-21T05:01:14.460

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	videolan	vlc_media_player	< 3.0.11	Yes
Application	videolan	vlc_media_player	< 3.0.11	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=d5c43c21c747ff30ed19fcca745dea3481c733e0 ([email protected])
https://github.com/videolan/vlc-3.0/releases/tag/3.0.11 Release Notes, Third Party Advisory ([email protected])
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c Patch, Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4704 Third Party Advisory ([email protected])
https://www.videolan.org/security/sb-vlc3011.html Vendor Advisory ([email protected])
http://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=d5c43c21c747ff30ed19fcca745dea3481c733e0 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/videolan/vlc-3.0/releases/tag/3.0.11 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4704 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.videolan.org/security/sb-vlc3011.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For videolan's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.