Buffer overflow in VLC Media Player - CVE-2026-56711
Published: October 1, 2026
Vulnerability identifier: #VU153083
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56711
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing media content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
VLC Media Player
Debian Linux
Fedora
vlc (Debian package)
vlc
Debian Linux
Fedora
vlc (Debian package)
vlc
How to mitigate CVE-2026-56711
Install updates from vendor's website.
VLC Media Player - update to 3.0.24
vlc (Debian package) - update to 3.0.24-0+deb13u1
vlc - addressed in versions 3.0.24-1.el10_2, 3.0.24-1.el10_3, 3.0.24-1.fc43
vlc (Debian package) - update to 3.0.24-0+deb13u1
vlc - addressed in versions 3.0.24-1.el10_2, 3.0.24-1.el10_3, 3.0.24-1.fc43