| Package | Affected versions | Patched versions |
|---|---|---|
| portage | < 2.1.12.2all versions | 2.1.12.2 |
| portage | = 2.1.12 |
The urlopen function in pym/portage/util/_urlopen.py in Gentoo Portage 2.1.12, when using HTTPS, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and modify binary package lists via a crafted certificate.
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