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bdu:2026-14789

EUVD-2026-371992

fkie_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.

GHSA-35jx-w2j3-h2m2

VLC media player computes the size of a picture buffer with 32-bit arithmetic and allocates from the wrapped result. In AllocatePicture in src/misc/picture.c the running total is accumulated as i_bytes += p->i_pitch * p->i_lines, and both plane_t fields are declared int in include/vlc_picture.h, so the multiplication is evaluated at 32 bits and wraps before it is widened to the size_t accumulator. The overflow check that precedes it divides in 64-bit arithmetic and therefore does not constrain the product, and the subsequent comparison against PICTURE_SW_SIZE_MAX examines the already wrapped value, so both guards pass. aligned_alloc then reserves the small wrapped size while the decoder writes scanlines sized from the original dimensions. A crafted PNG whose IHDR declares large width and height reaches this path through the image demuxer, whose only size guard is on the input file's byte count rather than the declared dimensions, and the decoder in modules/codec/png.c writes past the end of the allocation with attacker-influenced length and content. Opening the file directly or through a playlist entry is sufficient, with no non-default settings.

openSUSE-SU-2026:11910-1 — libvlc5-3.0.24-1.1 on GA media

libvlc5-3.0.24-1.1 on GA media

UBUNTU-CVE-2026-56711

Affected: Ubuntu:Pro:16.04:LTS: vlc, Ubuntu:Pro:18.04:LTS: vlc, Ubuntu:Pro:20.04:LTS: vlc, Ubuntu:Pro:22.04:LTS: vlc, Ubuntu:Pro:24.04:LTS: vlc, Ubuntu:26.04:LTS: vlc

WID-SEC-W-2026-3304 — VLC: Mehrere Schwachstellen

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in VLC ausnutzen, um beliebigen Programmcode auszuführen oder vertrauliche Informationen offenzulegen.