File ffmpeg-CVE-2019-13390.patch of Package ffmpeg.27461

Overview Repositories Revisions Requests Users Attributes Meta

File ffmpeg-CVE-2019-13390.patch of Package ffmpeg.27461

diff --unified --recursive --text --new-file --color ffmpeg-3.4.2.old/libavcodec/frame_thread_encoder.c ffmpeg-3.4.2.new/libavcodec/frame_thread_encoder.c
--- ffmpeg-3.4.2.old/libavcodec/frame_thread_encoder.c	2018-02-12 08:29:04.000000000 +0800
+++ ffmpeg-3.4.2.new/libavcodec/frame_thread_encoder.c	2023-01-18 11:37:34.589246951 +0800
@@ -209,8 +209,9 @@
             int ret = av_opt_copy(thread_avctx->priv_data, avctx->priv_data);
             if (ret < 0)
                 goto fail;
-        } else
+        } else if (avctx->codec->priv_data_size) {
             memcpy(thread_avctx->priv_data, avctx->priv_data, avctx->codec->priv_data_size);
+        }
         thread_avctx->thread_count = 1;
         thread_avctx->active_thread_type &= ~FF_THREAD_FRAME;
 
diff --unified --recursive --text --new-file --color ffmpeg-3.4.2.old/libavcodec/j2kenc.c ffmpeg-3.4.2.new/libavcodec/j2kenc.c
--- ffmpeg-3.4.2.old/libavcodec/j2kenc.c	2018-01-13 10:33:15.000000000 +0800
+++ ffmpeg-3.4.2.new/libavcodec/j2kenc.c	2023-01-18 11:37:32.402581658 +0800
@@ -519,13 +519,13 @@
         mask = ~((1<<NMSEDEC_FRACBITS)-1);
 
     for (i = 0; i < (1 << NMSEDEC_BITS); i++){
-        lut_nmsedec_sig[i]  = FFMAX(6*i - (9<<NMSEDEC_FRACBITS-1) << 12-NMSEDEC_FRACBITS, 0);
+        lut_nmsedec_sig[i]  = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0);
         lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0);
 
         a = (i >> (NMSEDEC_BITS-2)&2) + 1;
-        lut_nmsedec_ref[i]  = FFMAX((-2*i + (1<<NMSEDEC_FRACBITS) + a*i - (a*a<<NMSEDEC_FRACBITS-2))
-                                    << 13-NMSEDEC_FRACBITS, 0);
-        lut_nmsedec_ref0[i] = FFMAX(((i*i + (1-4*i << NMSEDEC_FRACBITS-1) + (1<<2*NMSEDEC_FRACBITS)) & mask)
+        lut_nmsedec_ref[i]  = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) +
+                                    (1 << 13) - (a * a << 11), 0);
+        lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask)
                                     << 1, 0);
     }
 }
@@ -924,7 +924,7 @@
                             for (y = yy0; y < yy1; y++){
                                 int *ptr = t1.data + (y-yy0)*t1.stride;
                                 for (x = xx0; x < xx1; x++){
-                                    *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] << NMSEDEC_FRACBITS;
+                                    *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS);
                                 }
                             }
                         } else{
diff --unified --recursive --text --new-file --color ffmpeg-3.4.2.old/libavcodec/r210enc.c ffmpeg-3.4.2.new/libavcodec/r210enc.c
--- ffmpeg-3.4.2.old/libavcodec/r210enc.c	2018-02-12 08:29:05.000000000 +0800
+++ ffmpeg-3.4.2.new/libavcodec/r210enc.c	2023-01-18 11:39:03.599191523 +0800
@@ -56,9 +56,9 @@
         uint16_t *src = (uint16_t *)src_line;
         for (j = 0; j < avctx->width; j++) {
             uint32_t pixel;
-            uint16_t r = *src++ >> 6;
-            uint16_t g = *src++ >> 6;
-            uint16_t b = *src++ >> 6;
+            unsigned r = *src++ >> 6;
+            unsigned g = *src++ >> 6;
+            unsigned b = *src++ >> 6;
             if (avctx->codec_id == AV_CODEC_ID_R210)
                 pixel = (r << 20) | (g << 10) | b;
             else
diff --unified --recursive --text --new-file --color ffmpeg-3.4.2.old/libavcodec/vc2enc_dwt.c ffmpeg-3.4.2.new/libavcodec/vc2enc_dwt.c
--- ffmpeg-3.4.2.old/libavcodec/vc2enc_dwt.c	2018-01-13 10:33:15.000000000 +0800
+++ ffmpeg-3.4.2.new/libavcodec/vc2enc_dwt.c	2023-01-18 11:37:30.409249581 +0800
@@ -66,7 +66,7 @@
      */
     for (y = 0; y < synth_height; y++) {
         for (x = 0; x < synth_width; x++)
-            synthl[x] = datal[x] << 1;
+            synthl[x] = datal[x] * 2;
         synthl += synth_width;
         datal += stride;
     }
diff --unified --recursive --text --new-file --color ffmpeg-3.4.2.old/libavformat/rawenc.c ffmpeg-3.4.2.new/libavformat/rawenc.c
--- ffmpeg-3.4.2.old/libavformat/rawenc.c	2018-02-12 08:29:06.000000000 +0800
+++ ffmpeg-3.4.2.new/libavformat/rawenc.c	2023-01-18 11:37:27.745917931 +0800
@@ -39,6 +39,18 @@
                s->oformat->name);
         return AVERROR(EINVAL);
     }
+    if (   s->oformat->audio_codec != AV_CODEC_ID_NONE
+        && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
+        av_log(s, AV_LOG_ERROR, "%s files have exactly one audio stream\n",
+               s->oformat->name);
+        return AVERROR(EINVAL);
+    }
+    if (   s->oformat->video_codec != AV_CODEC_ID_NONE
+        && s->streams[0]->codecpar->codec_type != AVMEDIA_TYPE_VIDEO) {
+        av_log(s, AV_LOG_ERROR, "%s files have exactly one video stream\n",
+               s->oformat->name);
+        return AVERROR(EINVAL);
+    }
     return 0;
 }

Places

File ffmpeg-CVE-2019-13390.patch of Package ffmpeg.27461

Places