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-rw-r--r--package/utils/otrx/src/otrx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/package/utils/otrx/src/otrx.c b/package/utils/otrx/src/otrx.c
index a2bc29f59a..7fe4ba6f69 100644
--- a/package/utils/otrx/src/otrx.c
+++ b/package/utils/otrx/src/otrx.c
@@ -167,6 +167,12 @@ static int otrx_check() {
}
length = le32_to_cpu(hdr.length);
+ if (length < sizeof(hdr)) {
+ fprintf(stderr, "Length read from TRX too low (%zu B)\n", length);
+ err = -EINVAL;
+ goto err_close;
+ }
+
buf = malloc(length);
if (!buf) {
fprintf(stderr, "Couldn't alloc %d B buffer\n", length);