Fix leak when parsing header with duplicate attribute names #1157
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Signed-off-by: Kimball Thurston <kdt3rd@gmail.com>
while parsing a header, if someone has injected a duplicate attribute name as an attack vector, fix memory leak for certain attribute types Signed-off-by: Kimball Thurston <kdt3rd@gmail.com>
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Fixes OSS Fuzz 39206