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Fix Integer overflow in httpGetDateTime() - #1717 #1718

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Fix Integer overflow in httpGetDateTime() - #1717 #1718

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5 changes: 4 additions & 1 deletion cups/http-support.c
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Original file line number Diff line number Diff line change
Expand Up @@ -772,7 +772,10 @@ httpGetDateTime(const char *s) // I - Date/time string
DEBUG_printf("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, min=%d, sec=%d", day, mon, year, hour, min, sec);

// Check for invalid year (RFC 7231 says it's 4DIGIT)
if (year > 9999)
if (year < 0 || year > 9999)
return (0);

if (day < 1 || day > 31 || hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 || sec > 60)
return (0);

// Convert the month name to a number from 0 to 11.
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