Is CVE-2019-19721 actively exploited?

No active exploitation of CVE-2019-19721 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-19721 be exploited remotely?

No. CVE-2019-19721 requires local access to exploit.

What is the CVSS score of CVE-2019-19721?

CVE-2019-19721 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2019-19721

HIGH

CVE-2019-19721

CWE-193Published: May 15, 2020· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file. NOTE: this may be related to the SDL_Image product.

NVD Source

Technical Analysis

CVE-2019-19721 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges Req.None

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

videolan1 product(s)

vlc media player

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Exploit-DB

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

PacketStorm

Security advisories & exploits

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugs.gentoo.org/721940

ADVISORYhttp://hg.libsdl.org/SDL_image/

ADVISORYhttps://www.videolan.org/security/

ADVISORYhttp://hg.libsdl.org/SDL_image/

ADVISORYhttps://www.videolan.org/security/

News & Research Mentioning CVE-2019-19721

ABB Ability Camera Connect

CISA Alerts· May 26, 2026

View CSAF Summary ABB is aware of public reports of vulnerabilities in a 3rd party component VLC media player Version 2.2.4 which was delivered together with the installation package of Camera Connect Version 1.5.0.14 and below. An update is available that resolves a privately reported outdated 3rd party component with vulnerabilities in the product versions listed as affected in this advisory. An attacker who successfully exploited any of these vulnerabilities in the 3rd party component could potentially compromise the system in different ways. The following versions of ABB Ability Camera Connect are affected: Ability Camera Connect vers:intdot/<=1.5.0.14, 1.5.0.15 CVSS Vendor Equipment Vulnerabilities v3 9.8 ABB ABB Ability Camera Connect Heap-base [xlite_meta score:73 src:CISA Alerts xlite_fp:cb2322dae913e0f028a6207677f6d89816cfbf5c2d1e4136a4b95ad99d56df16]