From 447c68febd3f5586790d7c6155d02bf244814b4e Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Sat, 22 Jun 2024 19:03:37 +0200
Subject: [PATCH] Fix potential overflow.

In practice, it never may happen.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/asn1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/asn1.c b/src/asn1.c
index 9a8f42a..41c25ba 100644
--- a/src/asn1.c
+++ b/src/asn1.c
@@ -42,7 +42,7 @@ uint16_t asn1_len(asn1_ctx_t *ctx) {
 
 uint32_t asn1_get_uint(asn1_ctx_t *ctx) {
     uint32_t d = ctx->data[0];
-    for (uint8_t lt = 1; lt < ctx->len; lt++) {
+    for (uint8_t lt = 1; lt < MIN(ctx->len, sizeof(uint32_t)); lt++) {
         d <<= 8;
         d |= ctx->data[lt];
     }