CVE-2026-5056
CVE-2026-5056: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh7.8
High [CVE-2026-5056] Arbitrary code execution via stack-based buffer overflow in qtdemux
CVE-2026-5056Source published Source updated
GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of UncompressedFrameConfigBox structures. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29392. This occurs due to insufficient data length validation when parsing UncompressedFrameConfigBox structures. An Important…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat package: gstreamer1-plugins-good
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- gstreamer1-plugins-good-0:1.26.7-2.el10_2.2
- RHSA-2026:49508
- Mitigation guidance
- Do not open, preview, or auto-index untrusted MOV/MP4 files with GStreamer-based apps; leave RHEL memory protections and SELinux enabled
Android app · Google Play
Monitor future Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.