Out-of-bounds Write Affecting gstreamer1-plugins-bad-free-gtk package, versions <0:1.10.4-4.0.5.el7_9


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-ORACLE7-GSTREAMER1PLUGINSBADFREEGTK-19669332
  • published10 Sept 2026
  • disclosed9 Jul 2026

Introduced: 9 Jul 2026

CVE-2026-59691  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:7 gstreamer1-plugins-bad-free-gtk to version 0:1.10.4-4.0.5.el7_9 or higher.
This issue was patched in ELSA-2026-54752.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gstreamer1-plugins-bad-free-gtk package and not the gstreamer1-plugins-bad-free-gtk package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a malicious RFB/VNC server that advertises a 16bpp framebuffer and sends Hextile-encoded updates, the Hextile background fill path writes 32-bit pixel values into a buffer allocated for 16-bit pixels. This type mismatch causes an out-of-bounds heap write that can lead to denial of service (process crash) and potential memory corruption.

CVSS Base Scores

version 3.1