diff options
| -rw-r--r-- | Misc/NEWS.d/next/Library/2024-03-27-21-05-52.gh-issue-117310.Bt2wox.rst | 4 | ||||
| -rw-r--r-- | Modules/_ssl.c | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/Library/2024-03-27-21-05-52.gh-issue-117310.Bt2wox.rst b/Misc/NEWS.d/next/Library/2024-03-27-21-05-52.gh-issue-117310.Bt2wox.rst new file mode 100644 index 0000000..429b890b --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-03-27-21-05-52.gh-issue-117310.Bt2wox.rst @@ -0,0 +1,4 @@ +Fixed an unlikely early & extra ``Py_DECREF`` triggered crash in :mod:`ssl` +when creating a new ``_ssl._SSLContext`` if CPython was built implausibly such +that the default cipher list is empty **or** the SSL library it was linked +against reports a failure from its C ``SSL_CTX_set_cipher_list()`` API. diff --git a/Modules/_ssl.c b/Modules/_ssl.c index 5f1425a..85fbc16 100644 --- a/Modules/_ssl.c +++ b/Modules/_ssl.c @@ -3143,7 +3143,6 @@ _ssl__SSLContext_impl(PyTypeObject *type, int proto_version) result = SSL_CTX_set_cipher_list(ctx, "HIGH:!aNULL:!eNULL"); } if (result == 0) { - Py_DECREF(self); ERR_clear_error(); PyErr_SetString(get_state_ctx(self)->PySSLErrorObject, "No cipher can be selected."); |