[Webkit-unassigned] [Bug 282021] New: Detached buffer in VideoDecoderConfig "description" leads to null pointer dereference if codec is invalid

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=282021

            Bug ID: 282021
           Summary: Detached buffer in VideoDecoderConfig "description"
                    leads to null pointer dereference if codec is invalid
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pvarangot at apple.com

By calling VideoDecoder.isConfigSupported with an invalid codec and a description that has a detached buffer on it, when the description is moved to the result for the unsupported config there's a null pointer deference when trying to check the buffer.

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