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The following commit(s) were added to refs/heads/master by this push:
new 71478d1165 avformat/rtpenc_amr: Check input size
71478d1165 is described below
commit 71478d11658d8a6f38138b6621061b8c6f2e5074
Author: jiale yao <[email protected]>
AuthorDate: Fri Jun 12 17:26:09 2026 +0200
Commit: michaelni <[email protected]>
CommitDate: Sun Jun 14 15:32:48 2026 +0000
avformat/rtpenc_amr: Check input size
Fixes: heap buffer overflow
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavformat/rtpenc_amr.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/rtpenc_amr.c b/libavformat/rtpenc_amr.c
index 8df5a3cf3e..60356ac984 100644
--- a/libavformat/rtpenc_amr.c
+++ b/libavformat/rtpenc_amr.c
@@ -34,6 +34,10 @@ void ff_rtp_send_amr(AVFormatContext *s1, const uint8_t
*buff, int size)
int max_header_toc_size = 1 + s->max_frames_per_packet;
uint8_t *p;
int len;
+ int max_size = st->codecpar->codec_id == AV_CODEC_ID_AMR_NB ? 32 : 61;
+
+ if (size < 1 || size > max_size)
+ return;
/* Test if the packet must be sent. */
len = s->buf_ptr - s->buf;
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