CVE-2026-1940
Out-of-Bounds Read in GStreamer gst_wavparse_adtl_chunk Function
Publication date: 2026-03-23
Last updated on: 2026-05-04
Assigner: Red Hat, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| redhat | enterprise_linux | 7.0 |
| debian | debian_linux | 11.0 |
| redhat | enterprise_linux | 8.0 |
| debian | debian_linux | 12.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
| gstreamer | gstreamer | to 1.28.1 (exc) |
| freedesktop | gst-plugins-good | 1.0.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds (OOB) read issue in the gst_wavparse_adtl_chunk() function caused by an incomplete fix for a previous vulnerability (CVE-2024-47778). The patch added a size validation check comparing lsize + 8 to the total size, but it failed to consider that the actual offset calculation uses GST_ROUND_UP_2(lsize). When lsize is an odd number, the parser advances more bytes than the validation allows, leading to reading memory beyond the intended buffer.
How can this vulnerability impact me? :
This vulnerability can lead to an out-of-bounds read, which may cause application crashes or potentially allow an attacker to read sensitive memory contents. According to the CVSS score (5.1), the impact includes low integrity and low availability impacts, meaning it could cause some data corruption or denial of service but does not directly affect confidentiality.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know