CVE-2026-3084
Integer Underflow in GStreamer H.266 Parser Enables Remote Code Execution
Publication date: 2026-03-16
Last updated on: 2026-03-17
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| gstreamer | gstreamer | to 1.28.1 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-191 | The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an integer underflow in the GStreamer H.266 Codec Parser. It occurs due to improper validation of user-supplied data during the parsing of picture partitions. This flaw can cause an integer underflow before writing to memory, which can be exploited by remote attackers to execute arbitrary code within the context of the affected process.
How can this vulnerability impact me? :
If exploited, this vulnerability allows remote attackers to execute arbitrary code on systems using the affected GStreamer library. This can lead to full compromise of the affected process, potentially allowing attackers to take control of the system, steal data, or disrupt operations.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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