diff options
Diffstat (limited to 'meta/recipes-multimedia/flac/flac/CVE-2021-0561.patch')
| -rw-r--r-- | meta/recipes-multimedia/flac/flac/CVE-2021-0561.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/flac/flac/CVE-2021-0561.patch b/meta/recipes-multimedia/flac/flac/CVE-2021-0561.patch new file mode 100644 index 0000000000..b48663ae42 --- /dev/null +++ b/meta/recipes-multimedia/flac/flac/CVE-2021-0561.patch @@ -0,0 +1,41 @@ +From e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be Mon Sep 17 00:00:00 2001 +From: Neelkamal Semwal <neelkamal.semwal@ittiam.com> +Date: Fri, 18 Dec 2020 22:28:36 +0530 +Subject: [PATCH] libFlac: Exit at EOS in verify mode + +When verify mode is enabled, once decoder flags end of stream, +encode processing is considered complete. + +CVE-2021-0561 + +Signed-off-by: Ralph Giles <giles@thaumas.net> + +Upstream-Status: Backport +CVE: CVE-2021-0561 + +Reference to upstream patch: +https://github.com/xiph/flac/commit/e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be + +Signed-off-by: Li Wang <li.wang@windriver.com> +--- + src/libFLAC/stream_encoder.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/src/libFLAC/stream_encoder.c b/src/libFLAC/stream_encoder.c +index 74387ec..8bb0ef3 100644 +--- a/src/libFLAC/stream_encoder.c ++++ b/src/libFLAC/stream_encoder.c +@@ -2610,7 +2610,9 @@ FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, uint32_t samples, FLAC + encoder->private_->verify.needs_magic_hack = true; + } + else { +- if(!FLAC__stream_decoder_process_single(encoder->private_->verify.decoder)) { ++ if(!FLAC__stream_decoder_process_single(encoder->private_->verify.decoder) ++ || (!is_last_block ++ && (FLAC__stream_encoder_get_verify_decoder_state(encoder) == FLAC__STREAM_DECODER_END_OF_STREAM))) { + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) +-- +2.23.0 + |