CVE record · CVE-2026-59691

Gstreamer1-plugins-bad-free: gstreamer: rfbsrc/librfb hextile heap out-of-bounds write with 16bpp framebuffer

CVSS 7.1 HighEPSS 0.0033 · 25th percentile

Published by the CVE Program (CNA: redhat) at 9 Jul 2026, 09:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 10 Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.26.7-2.el10_2.6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.24.11-3.el10_0.6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.10.4-7.el7_9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support Package name: gstreamer-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:0.10.23-26.el7_9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-9.el8_10.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-4.el8_4.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-4.el8_4.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-4.el8_6.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-4.el8_6.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-4.el8_8.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.16.1-4.el8_8.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.22.12-7.el9_8.3 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.18.4-9.el9_2.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.22.1-6.el9_4.6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support Package name: gstreamer1-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.22.12-5.el9_6.6 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: gstreamer-plugins-bad-free https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2026-59691
CNA: redhat
Weakness (CWE): CWE-787
Tags: Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Memory corruption
Published: 9 Jul 2026
Updated: 4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.1	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0033, the 25th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

9 Jul 2026, 09:34 UTC Confirmed by the CVE List
9 Jul 2026, 11:16 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:47179 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47180 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:47731 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54658 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54659 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54660 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54664 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54665 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:54752 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:56658 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:56772 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:62532 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-59691 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2497343 issue-trackingredhat
gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/100
gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5173

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.