Buffer overflow in Videolan Vlc Media Player
CVE-2026-56711
VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation requires user interaction and may result in application termination or code execution with the privileges of the VLC process.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000
Affected products
Weakness classification (CWE)
References
- github.com/videolan/vlc (product)
- github.com/videolan/vlc/blob/3.0.23/src/misc/picture.c (technical-description)
- github.com/videolan/vlc/blob/3.0.23/include/vlc_picture.h (technical-description)
- github.com/videolan/vlc/blob/3.0.23/modules/codec/png.c (technical-description)
- github.com/videolan/vlc/blob/3.0.23/modules/demux/image.c (technical-description)
- www.vulncheck.com/advisories/vlc-media-player-3.0.0-through-3.0.23-heap-out-of-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56711?
- CVE-2026-56711 is a high-severity vulnerability in Videolan Vlc Media Player, classified under Integer Overflow or Wraparound. CVSS score: 7.0/10. Published 2026-09-09.
- How severe is CVE-2026-56711?
- High severity. CVSS v3 base score is 7.0 out of 10.