gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer

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...

Important: Red Hat Security Advisory: gstreamer1-plugins-bad-free security update

An update for gstreamer1-plugins-bad-free is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. ...

gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer

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...

gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer

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...

RHEL 9 : gstreamer1-plugins-bad-free (RHSA-2026:54660)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54660 advisory. GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package...

Alibaba Cloud Linux 3 : 0253: gstreamer1-plugins-bad-free (ALINUX3-SA-2026:0253)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0253 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-59691: A heap buffer overflow...

RHEL 9 : gstreamer1-plugins-bad-free (RHSA-2026:54658)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:54658 advisory. GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package...

AlmaLinux 9 : gstreamer1-plugins-bad-free (ALSA-2026:47179)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:47179 advisory. gstreamer: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer CVE-2026-59691 gstreamer: gstreamer: DTLS certificate Subject...

TencentOS Server 3: gstreamer1-plugins-bad-free (TSSA-2026:0819)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0819 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

Important: gstreamer-plugins-bad-free

Issue Overview: 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...

Amazon Linux 2 : gstreamer-plugins-bad-free, --advisory ALAS2-2026-3830 (ALAS-2026-3830)

The version of gstreamer-plugins-bad-free installed on the remote host is prior to 0.10.23-42. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3830 advisory. A heap buffer overflow vulnerability was found in GStreamer's rfbsrc plugin. When a client connects to a...

gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer

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...

GStreamer librfb: rfb_decoder_fill_rectangle() wrong write granularity causes heap out-of-bounds write

GStreamer librfb: rfbdecoderfillrectangle wrong write granularity causes heap out-of-bounds write Vulnerability Overview In rfbsrc the VNC/RFB client element of GStreamer gst-plugins-bad, rfbdecoderfillrectangle fills rectangles by writing pixels at guint32 4-byte granularity regardless of the...

SUSE CVE-2026-59691

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...

RLSA-2026:47180 Important: gstreamer1-plugins-bad-free security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package contains a collection of plug-ins for GStreamer. Security Fixes: gstreamer: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer...

Oracle Linux 10 : gstreamer1-plugins-bad-free (ELSA-2026-47180)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-47180 advisory. 1.26.7-2.5 - Fix rfbsrc hextile and color read handling for non-32bpp pixel formats CVE-2026-59691 Resolves: RHEL-193550 Tenable has extracted the...

gstreamer1-plugins-bad-free security update

1.22.12-7.3 - Fix incorrect bytes-per-pixel handling in rfbsrc plugin CVE-2026-59691 Resolves: RHEL-193557 1.22.12-7.2 - Fix buffer overflow in DTLS connection peer certificate subject DN handling CVE-2026-59692 Resolves: RHEL-193572...

gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer

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...

ALSA-2026:47180 Important: gstreamer1-plugins-bad-free security update

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package contains a collection of plug-ins for GStreamer. Security Fixes: gstreamer: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer...

DEBIAN-CVE-2026-59691

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...