Merge pull request #166 from flaviojs/fix-out-of-bounds-read-hex_decode

Fix out-of-bounds read in hex_decode
GNS3 · Mar 12, 2024 · 1588cdf · 1588cdf
2 parents 4084412 + 1c98f20
commit 1588cdf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/common/utils.c b/common/utils.c
@@ -200,7 +200,7 @@ int hex_decode(unsigned char *out,const unsigned char *in,int maxlen)
    int empty = TRUE;
 
    for(;len < maxlen;) {
-      if (*in > sizeof(hexval) || hexval[*in] == BAD)
+      if (*in >= sizeof(hexval) || hexval[*in] == BAD)
          break;
 
       if (empty) {