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upstream: memleak of DH public bignum; found with libfuzzer

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OpenBSD-Commit-ID: 0e913b542c3764b100b1571fdb0d0e5cc086fe97
This commit is contained in:
djm@openbsd.org 2020-12-04 02:29:25 +00:00 committed by Damien Miller
parent 553b90feed
commit 3b98b6e27f
1 changed files with 2 additions and 1 deletions
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kexdh.c
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@ -1,4 +1,4 @@
/* $OpenBSD: kexdh.c,v 1.33 2020/05/08 05:13:14 djm Exp $ */ /* $OpenBSD: kexdh.c,v 1.34 2020/12/04 02:29:25 djm Exp $ */
/* /*
* Copyright (c) 2019 Markus Friedl. All rights reserved. * Copyright (c) 2019 Markus Friedl. All rights reserved.
* *
@ -194,6 +194,7 @@ kex_dh_dec(struct kex *kex, const struct sshbuf *dh_blob,
*shared_secretp = buf; *shared_secretp = buf;
buf = NULL; buf = NULL;
out: out:
BN_free(dh_pub);
DH_free(kex->dh); DH_free(kex->dh);
kex->dh = NULL; kex->dh = NULL;
sshbuf_free(buf); sshbuf_free(buf);