OPENSUSE-SU-2026:21370-1: gstreamer-plugins-bad security update

OPENSUSE-SU-2026:21370-1, released July 18, 2026, fixes 9 CVEs in gstreamer-plugins-bad (version 1.26.7-160000.3.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0064

50th percentile

Priority of the 9 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 6

Fixed package versions

Product	Release	Fixed in
gstreamer-plugins-bad	opensuse-leap 16.0	1.26.7-160000.3.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-52720	gst-plugins-bad1.0: A heap buffer overflow vulnerability was found in GStreamer's librfb (RFB/VNC client)	8.8	0.0064	None reported
High	CVE-2026-59692	gst-plugins-bad1.0: A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin	7.5	0.0058	None reported
High	CVE-2026-52722	gst-plugins-bad1.0: A signed integer overflow vulnerability was found in GStreamer's VMnc decoder	8.8	0.0039	None reported
Routine	CVE-2026-12891	gst-plugins-bad1.0: A flaw was found in the GStreamer gst-plugins-bad package	4.3	0.0039	None reported
Routine	CVE-2026-14935	gst-plugins-bad1.0: A logic vulnerability was found in GStreamer's webrtcbin component	3.7	0.0023	None reported
Routine	CVE-2026-53702	gst-plugins-bad1.0: A stack buffer overflow flaw was found in the GStreamer H.265 codec parser library (gst-plugins-bad)	6.5	0.0023	None reported
Routine	CVE-2026-53701	gst-plugins-bad1.0: An out-of-bounds write vulnerability was found in GStreamer's H.266/VVC PPS picture partition parser in gst-plugins-bad	6.5	0.0021	None reported
Routine	CVE-2026-12892	gst-plugins-bad1.0: A flaw was found in GStreamer's gst-plugins-bad package	4.4	0.0016	None reported
Routine	CVE-2026-52721	gst-plugins-bad1.0: Multiple out-of-bounds read vulnerabilities were found in GStreamer's pcapparse element	5.3	0.0011	None reported

Also fixes CVE-2026-52720

SUSE-SU-2026:22817-1
gstreamer-plugins-bad on sles 16.0
SUSE-SU-2026:3058-1
gstreamer-plugins-bad on sles 15.6, sles 15.7
ALAS2023-2026-1917
gstreamer1-plugin-openh264, gstreamer1-plugin-openh264-debuginfo, gstreamer1-plugins-bad-free and 5 more on amzn 2023
ELSA-2026-36749
gstreamer1-plugins-bad-free, gstreamer1-plugins-bad-free-devel, gstreamer1-plugins-bad-free-libs on ol 10
RLSA-2026:36749
gstreamer1-plugins-bad-free on rocky 10
RLSA-2026:36834
gstreamer1-plugins-bad-free on rocky 9
RHSA-2026:36834
gstreamer1-plugins-bad-free, gstreamer1-plugins-bad-free-devel, gstreamer1-plugins-bad-free-libs on RHEL 9
RHSA-2026:47717
gstreamer1-plugins-bad-free on RHEL 10

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21370-1

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