CVE-2026-125703: Improper Input Validation
Source GCVE Database
Not known to be exploited · CVSS 5.5 Medium : upgrade to 1.28.3 when convenient.
Data as of 10 Nov 2026, 15:02 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.5 |
|---|
- Patch
- Available – fixed in 1.28.3, 10.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Nov 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 10 Nov 2026.
What to do
Upgrade gst-plugins-bad to 1.28.3; the Red Hat redhat/gstreamer-plugins-bad package to 10.4.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GStreamergst-plugins-bad | Affected
| Fixed in
|
Red Hatredhat/gstreamer-plugins-badpkg:rpm/redhat/gstreamer-plugins-badOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
There is no complete mitigation available while processing untrusted MXF content with the affected plugin. If MXF support is not required, disable the MXF plugin in affected GStreamer applications. Otherwise, restrict MXF inputs to trusted sources. Disabling MXF handling will prevent legitimate MXF playback and transcoding. Monitor vendor advisories for patch releases.
Description
A vulnerability in the GStreamer gst-plugins-bad MXF plugin allows crafted VANC data to cause out-of-bounds reads and incorrect buffer size calculations to cause out-of-bounds writes. This can lead to application crashes and denial of service when processing malicious MXF content. The flaw affects multiple Red Hat Enterprise Linux versions up to 10.3, with later versions not affected. No confidentiality or integrity impacts are established. Mitigation involves disabling the MXF plugin if not needed or restricting MXF inputs to trusted sources.
References
- nvd.nist.gov/vuln/detail/CVE-2026-125703 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-125703 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2569129 (opens in a new tab)
- gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/11585 (opens in a new tab)
- gstreamer.freedesktop.org/security/sa-2026-0029.html (opens in a new tab)