[PATCH] fixed #2213

Gbp-Pq: Name CVE-2022-2454.patch

diff --git a/src/laser/lsr_dec.c b/src/laser/lsr_dec.c
index fa9ccd8085d03ad3d1c6adbb1b312ad6f1326b3a..ab4dfd41caef6110e4264dfa753c5f50fb8d2fae 100644 (file)
--- a/src/laser/lsr_dec.c
+++ b/src/laser/lsr_dec.c
@@ -804,6 +804,8 @@ static void lsr_read_id(GF_LASeRCodec *lsr, GF_Node *n)
 
 static Fixed lsr_translate_coords(GF_LASeRCodec *lsr, u32 val, u32 nb_bits)
 {
+       if (!nb_bits) return 0;
+       
 #ifdef GPAC_FIXED_POINT
        if (val >> (nb_bits-1) ) {
                s32 neg = (s32) val - (1<<nb_bits);