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ffmpeg-4-CVE-2025-22921.patch
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File ffmpeg-4-CVE-2025-22921.patch of Package A_tw-ffmpeg-4
From 7f9c7f9849a2155224711f0ff57ecdac6e4bfb57 Mon Sep 17 00:00:00 2001 From: James Almer <jamrial@gmail.com> Date: Wed, 1 Jan 2025 23:58:39 -0300 Subject: [PATCH] avcodec/jpeg2000dec: clear array length when freeing it Fixes NULL pointer dereferences. Fixes ticket #11393. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com> --- libavcodec/jpeg2000dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index e5e897a29f..b82d85d5ee 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -1521,6 +1521,7 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile, } } av_freep(&cblk->lengthinc); + cblk->nb_lengthinc = 0; } } // Save state of stream -- 2.44.0
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