From: Michael R Sweet <michael.r.sweet@gmail.com>
Date: Wed, 28 Oct 2020 16:40:51 +0000 (-0400)
Subject: Ignore HTTP Date values with invalid year (Apple Issue #5724)
X-Git-Tag: v2.3.3op1~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eab918c6ed439a2f6713a0f642a640bf3df80e8d;p=thirdparty%2Fcups.git

Ignore HTTP Date values with invalid year (Apple Issue #5724)
---

diff --git a/cups/http-support.c b/cups/http-support.c
index 80f2613818..521b7e06bb 100644
--- a/cups/http-support.c
+++ b/cups/http-support.c
@@ -840,6 +840,13 @@ 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)
+    return (0);
+
  /*
   * Convert the month name to a number from 0 to 11.
   */