Red Hat Security Advisory: gstreamer1-plugins-bad-free security update
Affects Red Hat gstreamer1-plugins-bad-freeSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 7.1 High · fixed in Red Hat Enterprise Linux 10 package updates : patch Red Hat gstreamer1-plugins-bad-free soon.
Data as of 6 Nov 2026, 01:18 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.1 |
|---|
- Patch
- Available – fixed in 9.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10gstreamer1-plugins-bad-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 10.0 Extended Update Supportgstreamer1-plugins-bad-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 7 Extended Lifecycle Supportgstreamer1-plugins-bad-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 7 Extended Lifecycle Supportgstreamer-plugins-bad-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8gstreamer1-plugins-bad-free | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportgstreamer1-plugins-bad-free | Affected– | Fixed in– |
AI-suggested
Red Hat has released updated packages for gstreamer1-plugins-bad-free (version 1.18.4-9.el9_2.5) that address these vulnerabilities. Users of Red Hat Enterprise Linux 9.2 and related variants should apply these security updates promptly to remediate the issues. Detailed update instructions are available from Red Hat's advisory and article https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Description
Two security vulnerabilities were identified in the gstreamer1-plugins-bad-free package used in Red Hat Enterprise Linux 9.2. The first is a heap out-of-bounds write in the rfbsrc/librfb Hextile code with 16bpp framebuffer (CVE-2026-59691). The second is a stack buffer overflow in the DTLS certificate Subject DN processing within the openssl_verify_callback function (CVE-2026-59692). These issues could lead to memory corruption. Red Hat has released security updates addressing these flaws in version 1.18.4-9.el9_2.5 of the package for multiple architectures. The update is rated as Important by Red Hat Product Security.
References
- access.redhat.com/errata/RHSA-2026:56658 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2497343 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2497344 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56658.json (opens in a new tab)