gstreamer: 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-good security update

An update for gstreamer1-plugins-good is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

gstreamer: GStreamer: Arbitrary code execution via stack-based buffer overflow in qtdemux

A stack-based buffer overflow in GStreamer's qtdemux component allows attackers to execute arbitrary code via specially crafted input. This occurs due to insufficient data length validation when parsing UncompressedFrameConfigBox structures...

RHEL 9 : gstreamer1-plugins-bad-free (RHSA-2026:47179)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47179 advisory. GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package...

RockyLinux 9 : gstreamer1-plugins-bad-free (RLSA-2026:47179)

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

CVE-2026-5056

A stack-based buffer overflow in GStreamer's qtdemux component allows attackers to execute arbitrary code via specially crafted input. This occurs due to insufficient data length validation when parsing UncompressedFrameConfigBox structures. Mitigation Do not open, preview, or auto-index untruste...

Oracle Linux 8 : gstreamer1-plugins-bad-free (ELSA-2026-47731)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-47731 advisory. - Fix buffer overflow in DTLS certificate subject DN handling CVE-2026-59692 Resolves: RHEL-193570 Tenable has extracted the preceding description blo...

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...

RHSA-2026:47731 Red Hat Security Advisory: gstreamer1-plugins-bad-free security update

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RHSA-2026:47718 Red Hat Security Advisory: gstreamer1-plugins-bad-free security update

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RHSA-2026:47717 Red Hat Security Advisory: gstreamer1-plugins-bad-free security update

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gstreamer1-plugins-bad-free security update

An update is available for gstreamer1-plugins-bad-free. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GStreamer is a streaming media framework based on graphs ...

RLSA-2026:47731 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...

gstreamer: gstreamer: DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

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. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

gstreamer: 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 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

gstreamer1-plugins-bad-free: GStreamer: Heap buffer overflow via crafted VNC server rectangle in librfb

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...

gstreamer1-plugins-bad-free: GStreamer: Signed integer overflow in VMnc decoder cursor payload handling

A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. A remote attacker could trick a user into opening a...

RockyLinux 8 : gstreamer1-plugins-bad-free (RLSA-2026:47731)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:47731 advisory. gstreamer: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer CVE-2026-59691 gstreamer: gstreamer: DTLS certificate Subjec...