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wincng: fix memory leak in _libssh2_dh_secret()

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Patch-by: iruis on github
Assisted-by: Marc Hörsken
Bug #846, commit e3487092ef9553af67633c6747cb9ab2f86465e0.
Fixes #856
Closes #858
This commit is contained in:
Viktor Szakats
2023-03-20 00:35:15 +00:00
parent 244a1ae856
commit 5a9944e754
1 changed files with 3 additions and 0 deletions
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src/wincng.c
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@@ -2651,6 +2651,9 @@ out:
if(agreement) { if(agreement) {
BCryptDestroySecret(agreement); BCryptDestroySecret(agreement);
} }
free(blob);
if(status == STATUS_NOT_SUPPORTED && if(status == STATUS_NOT_SUPPORTED &&
_libssh2_wincng.hasAlgDHwithKDF == -1) { _libssh2_wincng.hasAlgDHwithKDF == -1) {
goto fb; /* fallback to RSA-based implementation */ goto fb; /* fallback to RSA-based implementation */