CVE-2026-52720
Gravedad CVSS v3.1:
ALTA
Tipo:
CWE-122
Desbordamiento de búfer basado en memoria dinámica (Heap)
Fecha de publicación:
15/06/2026
Última modificación:
28/07/2026
Descripción
*** Pendiente de traducción *** A heap buffer overflow vulnerability was found in GStreamer's librfb (RFB/VNC client). The rectangle bounds check incorrectly validates area rather than individual dimensions, allowing a malicious VNC server to send a rectangle that extends beyond the framebuffer. A remote attacker could set up a malicious VNC server and trick a user into connecting, resulting in an out-of-bounds heap write that could lead to code execution or a crash.
Impacto
Puntuación base 3.x
8.80
Gravedad 3.x
ALTA
Referencias a soluciones, herramientas e información
- https://access.redhat.com/errata/RHSA-2026:36749
- https://access.redhat.com/errata/RHSA-2026:36834
- https://access.redhat.com/errata/RHSA-2026:37130
- https://access.redhat.com/errata/RHSA-2026:47069
- https://access.redhat.com/errata/RHSA-2026:47070
- https://access.redhat.com/errata/RHSA-2026:47071
- https://access.redhat.com/errata/RHSA-2026:47075
- https://access.redhat.com/errata/RHSA-2026:47076
- https://access.redhat.com/errata/RHSA-2026:47176
- https://access.redhat.com/security/cve/CVE-2026-52720
- https://bugzilla.redhat.com/show_bug.cgi?id=2486731
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5105
- https://access.redhat.com/errata/RHSA-2026:36749
- https://access.redhat.com/errata/RHSA-2026:36834
- https://access.redhat.com/errata/RHSA-2026:37130
- https://access.redhat.com/security/cve/CVE-2026-52720
- https://bugzilla.redhat.com/show_bug.cgi?id=2486731
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52720.json



