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Hello everyone:</div>
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I noticed what looks like a small typo in the RTSP Range header parser in the latest LIVE555 source, version 2026.06.29.</div>
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In liveMedia/RTSPCommon.cpp, parseRangeParam() currently checks for:</div>
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smtpe = %n</div>
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but the RTSP Range unit defined by RFC 2326 is:</div>
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smpte</div>
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Impact: valid RTSP Range headers using the standard SMPTE range unit are rejected, while the misspelled non-standard unit "smtpe" is accepted.</div>
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For example, this valid header is treated as malformed:</div>
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Range: smpte=0:10:20-</div>
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while this misspelled form is accepted by the parser:</div>
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Range: smtpe=0:10:20-</div>
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The relevant code comment also says:</div>
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We accept "smtpe=" parameters, but currently do not interpret them.</div>
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I think both instances should be "smpte" instead of "smtpe".</div>
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Reference: RFC 2326 defines the Range header grammar with "smpte", "smpte-30-drop", and "smpte-25":</div>
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<a href="https://datatracker.ietf.org/doc/html/rfc2326#section-12.29">https://datatracker.ietf.org/doc/html/rfc2326#section-12.29</a></div>
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Best regards,</div>
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Zhou Qingyang</div>
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