What’s Vulnerable › Vulnerabilities

CVE-2019-19721

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-15 · updated 2026-10-08
• Weakness: CWE-193

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.

Affected products

• VideoLAN VLC: before 3.0.9 — fixed in 3.0.9

How to fix

Upgrade to a fixed version: VideoLAN VLC 3.0.9. Check the vendor advisory for mitigations.

References

• http://hg.libsdl.org/SDL_image/
• https://bugs.gentoo.org/721940
• https://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=72afe7ebd8305bf4f5360293b8621cde52ec506b
• https://www.videolan.org/security/
• http://hg.libsdl.org/SDL_image/
• https://bugs.gentoo.org/721940
• https://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=72afe7ebd8305bf4f5360293b8621cde52ec506b
• https://www.videolan.org/security/

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