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-rw-r--r--providers/implementations/signature/rsa_sig.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/providers/implementations/signature/rsa_sig.c b/providers/implementations/signature/rsa_sig.c
index b8648b54bf..76db37dd02 100644
--- a/providers/implementations/signature/rsa_sig.c
+++ b/providers/implementations/signature/rsa_sig.c
@@ -1006,6 +1006,7 @@ static void *rsa_dupctx(void *vprsactx)
*dstctx = *srcctx;
dstctx->rsa = NULL;
dstctx->md = NULL;
+ dstctx->mgf1_md = NULL;
dstctx->mdctx = NULL;
dstctx->tbuf = NULL;
dstctx->propq = NULL;