Windows apps · Application version · April 7, 2026
Python 3.13 3.13.13
Python 3.13 3.13.13, released April 7, 2026, fixes 7 CVEs in Python 3.13. None of them is reported as exploited. Patch Radar priority: High. The latest Python 3.13 is 3.13.17, which also fixes every one of these CVEs.
High
Superseded. The latest Python 3.13 is 3.13.17, which also fixes every CVE on this page. Install that instead.
CVEs closed
7
None rated Critical
Exploited
0
None reported
Highest CVSS
8.1
Base score, 0 to 10
Highest EPSS
0.0072
54th percentile
Priority of the 7 CVEs
Patch now 0
Urgent 0
High 4
Routine 3
Applies to
| Product | Version |
|---|---|
| Python 3.13 | 3.13.13 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-4224 | Stack overflow parsing XML with deeply nested DTD content models | 8.1 | 0.0072 | None reported |
| High | CVE-2026-3644 | Incomplete control character validation in http.cookies | 8.1 | 0.0051 | None reported |
| High | CVE-2026-4519 | webbrowser.open() allows leading dashes in URLs | 8.1 | 0.0032 | None reported |
| High | CVE-2026-2297 | SourcelessFileLoader does not use io.open_code() | 8.1 | 0.0022 | None reported |
| Routine | CVE-2026-3479 | pkgutil.get_data() does not enforce documented restrictions | 0.0 | 0.0025 | None reported |
| Routine | CVE-2026-3446 | Base64 decoding stops at first padded quad by default | 6.0 | 0.0019 | None reported |
| Routine | CVE-2025-13462 | tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling | 3.3 | 0.0017 | None reported |
Showing 1 to 7 of 7
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