X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Ftarga.c;h=a61fef1d7ba48bb0844701bc731a631f071a5c66;hb=718e03e5f297564b828730dfc012fa3f6fbf576b;hp=93e0ef7905db8306ad65c6d8270384e743668dba;hpb=fb4a12cda4033f2f3d3d1039739f6e0e6f9afb82;p=ffmpeg

diff --git a/libavcodec/targa.c b/libavcodec/targa.c
index 93e0ef7905d..a61fef1d7ba 100644
--- a/libavcodec/targa.c
+++ b/libavcodec/targa.c
@@ -132,12 +132,6 @@ static int decode_frame(AVCodecContext *avctx,
     h         = bytestream2_get_le16(&s->gb);
     bpp       = bytestream2_get_byte(&s->gb);
 
-    if (bytestream2_get_bytes_left(&s->gb) <= idlen) {
-        av_log(avctx, AV_LOG_ERROR,
-                "Not enough data to read header\n");
-        return AVERROR_INVALIDDATA;
-    }
-
     flags     = bytestream2_get_byte(&s->gb);
 
     if (!pal && (first_clr || colors || csize)) {
@@ -146,6 +140,12 @@ static int decode_frame(AVCodecContext *avctx,
         first_clr = colors = csize = 0;
     }
 
+    if (bytestream2_get_bytes_left(&s->gb) < idlen + 2*colors) {
+        av_log(avctx, AV_LOG_ERROR,
+                "Not enough data to read header\n");
+        return AVERROR_INVALIDDATA;
+    }
+
     // skip identifier if any
     bytestream2_skip(&s->gb, idlen);