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LibPDF: Parser::parse_header() return false if remaining bytes is zero

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Brendan Coles 2021-10-30 11:08:57 +00:00 • committed by Andreas Kling
parent 92fdae178b
commit 6ccfa3e75e
1 changed files with 2 additions and 0 deletions
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Userland/Libraries/LibPDF/Parser.cpp
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@ -91,6 +91,8 @@ bool Parser::parse_header()
{ {
// FIXME: Do something with the version? // FIXME: Do something with the version?
m_reader.set_reading_forwards(); m_reader.set_reading_forwards();
if (m_reader.remaining() == 0)
return false;
m_reader.move_to(0); m_reader.move_to(0);
if (m_reader.remaining() < 8 || !m_reader.matches("%PDF-")) if (m_reader.remaining() < 8 || !m_reader.matches("%PDF-"))
return false; return false;