The branch, master has been updated
via 76645e096fabd9beeecb681691b4bca327241ee8 (commit)
from 041651841a1e11a6873a1d7b2f826b8678f8a2c8 (commit)
- Log -----------------------------------------------------------------
commit 76645e096fabd9beeecb681691b4bca327241ee8
Author: Michael Niedermayer <[email protected]>
AuthorDate: Wed Aug 27 15:00:56 2025 +0200
Commit: Leo Izen <[email protected]>
CommitDate: Wed Aug 27 15:46:35 2025 +0000
avcodec/exif: also copy zero termination for AV_TIFF_STRING
Fixes: out of array read
Fixes:
441131173/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_DEC_fuzzer-6700429212975104
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
diff --git a/libavcodec/exif.c b/libavcodec/exif.c
index f7effa6dbd..2ac54e51af 100644
--- a/libavcodec/exif.c
+++ b/libavcodec/exif.c
@@ -993,7 +993,11 @@ static int exif_clone_entry(AVExifEntry *dst, const
AVExifEntry *src)
EXIF_COPY(dst->value.sbytes, src->value.sbytes);
break;
case AV_TIFF_STRING:
- EXIF_COPY(dst->value.str, src->value.str);
+ dst->value.str = av_memdup(src->value.str, src->count+1);
+ if (!dst->value.str) {
+ ret = AVERROR(ENOMEM);
+ goto end;
+ }
break;
}
-----------------------------------------------------------------------
Summary of changes:
libavcodec/exif.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
hooks/post-receive
--
_______________________________________________
ffmpeg-cvslog mailing list -- [email protected]
To unsubscribe send an email to [email protected]
