PR #23027 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23027 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23027.patch
Fixes: NULL pointer dereference Found-by: Oguzhan Akkaya with AFL++ fuzzing (May 2026) Signed-off-by: Michael Niedermayer <[email protected]> >From f6ea6a2eb7fd465c5477a16bc97428d13c1598a6 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Wed, 6 May 2026 02:33:01 +0200 Subject: [PATCH] avcodec/jpeg2000dec: Clear header derived variables Fixes: NULL pointer dereference Found-by: Oguzhan Akkaya with AFL++ fuzzing (May 2026) Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/jpeg2000dec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index c5682829b6..668a248090 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -2453,6 +2453,8 @@ static void jpeg2000_dec_cleanup(Jpeg2000DecoderContext *s) memset(&s->poc , 0, sizeof(s->poc)); s->numXtiles = s->numYtiles = 0; s->ncomponents = 0; + s->has_ppm = 0; + s->isHT = 0; } static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
