From: Apple <opensource@apple.com>
Date: Mon, 23 Sep 2019 17:46:08 +0000 (+0000)
Subject: libresolv-67.40.1.tar.gz
X-Git-Tag: macos-10151^0
X-Git-Url: https://git.saurik.com/apple/libresolv.git/commitdiff_plain/HEAD

libresolv-67.40.1.tar.gz
---

diff --git a/ns_name.c b/ns_name.c
index 07b0739..1c24833 100644
--- a/ns_name.c
+++ b/ns_name.c
@@ -638,7 +638,7 @@ ns_name_skip(const u_char **ptrptr, const u_char *eom)
 {
 	const u_char *cp;
 	u_int n;
-	int l;
+	int l = 0;
 
 	cp = *ptrptr;
 	while (cp < eom && (n = *cp++) != 0) {
@@ -648,7 +648,7 @@ ns_name_skip(const u_char **ptrptr, const u_char *eom)
 			cp += n;
 			continue;
 		case NS_TYPE_ELT: /* EDNS0 extended label */
-			if ((l = labellen(cp - 1)) < 0) {
+			if (cp < eom && (l = labellen(cp - 1)) < 0) {
 				errno = EMSGSIZE; /* XXX */
 				return(-1);
 			}