X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fextract.c;h=83477f1337eb897cea1b5a41d90d8ddee8e0ac69;hp=99320268e2a7a8af66a135cf927d93161d938363;hb=ebdba490384924ef422b1df675ba11d5030faf09;hpb=33cc99f8a087d4232085234aee3f3134e15d5905

diff --git a/src/extract.c b/src/extract.c
index 99320268..83477f13 100644
--- a/src/extract.c
+++ b/src/extract.c
@@ -181,6 +181,10 @@ read_pwm_blob_header(WIMStruct *pwm, struct blob_descriptor *blob,
 	wim_res_hdr_to_desc(&reshdr, pwm, rdesc);
 	blob_set_is_located_in_nonsolid_wim_resource(blob, rdesc);
 	blob->is_metadata = (rdesc->flags & WIM_RESHDR_FLAG_METADATA) != 0;
+
+	if (unlikely(blob->size == 0))
+		return WIMLIB_ERR_INVALID_PIPABLE_WIM;
+
 	return 0;
 
 read_error: