https://github.com/python/cpython/commit/56ed86490cb8221c874d432461d77702437... commit: 56ed86490cb8221c874d432461d77702437f63e5 branch: master author: Zackery Spytz <zspytz@gmail.com> committer: Steve Dower <steve.dower@microsoft.com> date: 2019-04-22T10:01:32-07:00 summary: bpo-9194: Fix the bounds checking in winreg.c's fixupMultiSZ() (GH-12687) files: M PC/winreg.c diff --git a/PC/winreg.c b/PC/winreg.c index ae0c292b7172..28b316ae2f4c 100644 --- a/PC/winreg.c +++ b/PC/winreg.c @@ -521,7 +521,7 @@ fixupMultiSZ(wchar_t **str, wchar_t *data, int len) Q = data + len; for (P = data, i = 0; P < Q && *P != '\0'; P++, i++) { str[i] = P; - for(; *P != '\0'; P++) + for (; P < Q && *P != '\0'; P++) ; } }