X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Ffits.c;h=ad73ab70de2e1efbc225d426d2ae94b437732dc3;hb=2e328a8a38e06e4737bc1253a568558a7c514e77;hp=365347fc6406ad1dbcf741d2e16fef537995cd1b;hpb=f3881c04e93ee70567bd3fe087f49b996b026d30;p=ffmpeg

diff --git a/libavcodec/fits.c b/libavcodec/fits.c
index 365347fc640..ad73ab70de2 100644
--- a/libavcodec/fits.c
+++ b/libavcodec/fits.c
@@ -138,6 +138,17 @@ int avpriv_fits_header_parse_line(void *avcl, FITSHeader *header, const uint8_t
     case STATE_BITPIX:
         CHECK_KEYWORD("BITPIX");
         CHECK_VALUE("BITPIX", bitpix);
+
+        switch(header->bitpix) {
+        case   8:
+        case  16:
+        case  32: case -32:
+        case  64: case -64: break;
+        default:
+            av_log(avcl, AV_LOG_ERROR, "invalid value of BITPIX %d\n", header->bitpix); \
+            return AVERROR_INVALIDDATA;
+        }
+
         dict_set_if_not_null(metadata, keyword, value);
 
         header->state = STATE_NAXIS;