[Webkit-unassigned] [Bug 265422] New: [WebRTC] Release assertion in webrtc::RtpPacketizerH264::PacketizeStapA on bad input

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Nov 27 20:02:53 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=265422

            Bug ID: 265422
           Summary: [WebRTC] Release assertion in
                    webrtc::RtpPacketizerH264::PacketizeStapA on bad input
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ddkilzer at webkit.org
                CC: youennf at gmail.com

Release assertion in webrtc::RtpPacketizerH264::PacketizeStapA on bad input.

This release assertion fires when invalid input is passed in to `webrtc::RtpPacketizerH264::RtpPacketizerH264()` in `Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc`:

```
  [...]
  while (payload_size_left >= payload_size_needed()) {
    RTC_CHECK_GT(fragment.size(), 0);
    [...]
```

<rdar://118859268>

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