[PATCH] fixed #1900

Gbp-Pq: Name CVE-2021-40568.patch

diff --git a/src/media_tools/av_parsers.c b/src/media_tools/av_parsers.c
index e92cd16bb0cd837a5246e8f184035769ae6dbc52..aa9eda1be752b6cfed4c9c7c37e83c44a6ff88fd 100644 (file)
--- a/src/media_tools/av_parsers.c
+++ b/src/media_tools/av_parsers.c
@@ -5669,7 +5669,7 @@ static s32 svc_parse_slice(GF_BitStream *bs, AVCState *avc, AVCSliceInfo *si)
        if (si->slice_type > 9) return -1;
 
        pps_id = gf_bs_get_ue(bs);
-       if (pps_id > 255)
+       if ((pps_id < 0) || (pps_id > 255))
                return -1;
        si->pps = &avc->pps[pps_id];
        si->pps->id = pps_id;