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-rw-r--r--src/ssl/s3_pkt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ssl/s3_pkt.c b/src/ssl/s3_pkt.c
index 4263cb0..3a42c3a 100644
--- a/src/ssl/s3_pkt.c
+++ b/src/ssl/s3_pkt.c
@@ -202,6 +202,10 @@ int ssl3_read_n(SSL *s, int n, int max, int extend) {
}
assert(n <= (int)(rb->len - rb->offset));
+ if (n > (int)(rb->len - rb->offset)) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_read_n, ERR_R_INTERNAL_ERROR);
+ return -1;
+ }
if (!s->read_ahead) {
/* ignore max parameter */