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commit a240e91f49a8672cf06ce46bb2d328e048c49abb Author: Paul Adenot <[email protected]> AuthorDate: Sun Apr 12 03:18:44 2026 +0200 Commit: Michael Niedermayer <[email protected]> CommitDate: Mon May 4 17:13:34 2026 +0200 avcodec/vp9: Rollback dimensions when format is rejected Fixes: BMO#2029296 Found-by: Mozilla Security Team, Paul Adenot for the write variant Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 6c114bd6fa9fe006bed7dcdb88de4790510080d4) Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/vp9.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c index b0717eb750..17fc6b8c8b 100644 --- a/libavcodec/vp9.c +++ b/libavcodec/vp9.c @@ -248,8 +248,10 @@ static int update_size(AVCodecContext *avctx, int w, int h) *fmtp = AV_PIX_FMT_NONE; ret = ff_get_format(avctx, pix_fmts); - if (ret < 0) + if (ret < 0) { + ff_set_dimensions(avctx, s->w, s->h); return ret; + } avctx->pix_fmt = ret; s->gf_fmt = s->pix_fmt; _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
