Summary
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 Fix(es):
* gstreamer: gstreamer: rfbsrc/librfb Hextile heap out-of-bounds write with 16bpp framebuffer (CVE-2026-59691)
* gstreamer: gstreamer: DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback (CVE-2026-59692)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | gstreamer1-plugins-bad-free | 1.22.12-7.el9_8.3 |
| AlmaLinux · 9 | gstreamer1-plugins-bad-free-devel | 1.22.12-7.el9_8.3 |
| AlmaLinux · 9 | gstreamer1-plugins-bad-free-libs | 1.22.12-7.el9_8.3 |
Vulnerabilities 2
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High 7.5
Gstreamer1-plugins-bad-free: 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…
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High 7.1
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 value…