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.
Data as of 6 Nov 2026, 01:17 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.1 |
|---|
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 gstreamer1-plugins-bad-free packages for Red Hat Enterprise Linux 8.6 Extended Life Cycle and AUS variants that address these vulnerabilities. Users should apply these official security updates promptly. For detailed instructions on applying the update, refer to Red Hat's advisory and knowledge base article at https://access.redhat.com/articles/11258. No alternative mitigations or workarounds are specified.
Description
Two security vulnerabilities have been identified in the gstreamer1-plugins-bad-free package for Red Hat Enterprise Linux 8.6. The first is a heap out-of-bounds write in the rfbsrc/librfb Hextile code when using a 16bpp framebuffer (CVE-2026-59691). The second is a stack buffer overflow in the DTLS certificate Subject DN verification callback in OpenSSL (CVE-2026-59692). Red Hat has issued an important security advisory with updates addressing these issues.
References
- access.redhat.com/errata/RHSA-2026:54665 (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_54665.json (opens in a new tab)