From 8fc866df4070e23ec0cc88a84c8ecfd456dfb30d Mon Sep 17 00:00:00 2001
From: Wendigo <84196391+wendig0x@users.noreply.github.com>
Date: Fri, 19 May 2023 23:15:01 +0300
Subject: update zlib to latest version 1.2.13 (#986)

---
 src/Common/zlib/inflate.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/Common/zlib/inflate.c')

diff --git a/src/Common/zlib/inflate.c b/src/Common/zlib/inflate.c
index 7be8c636..8acbef44 100644
--- a/src/Common/zlib/inflate.c
+++ b/src/Common/zlib/inflate.c
@@ -168,6 +168,8 @@ int windowBits;
 
     /* extract wrap request from windowBits parameter */
     if (windowBits < 0) {
+        if (windowBits < -15)
+            return Z_STREAM_ERROR;
         wrap = 0;
         windowBits = -windowBits;
     }
@@ -764,8 +766,9 @@ int flush;
                 if (copy > have) copy = have;
                 if (copy) {
                     if (state->head != Z_NULL &&
-                        state->head->extra != Z_NULL) {
-                        len = state->head->extra_len - state->length;
+                        state->head->extra != Z_NULL &&
+                        (len = state->head->extra_len - state->length) <
+                            state->head->extra_max) {
                         zmemcpy(state->head->extra + len, next,
                                 len + copy > state->head->extra_max ?
                                 state->head->extra_max - len : copy);
-- 
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