Metrics
Affected Vendors & Products
Thu, 10 Sep 2026 01:00:00 +0000
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Wed, 09 Sep 2026 01:00:00 +0000
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Sat, 05 Sep 2026 01:00:00 +0000
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Wed, 19 Aug 2026 00:30:00 +0000
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Tue, 18 Aug 2026 19:00:00 +0000
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| Weaknesses | CWE-20 |
Tue, 18 Aug 2026 18:30:00 +0000
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| Metrics |
ssvc
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Tue, 18 Aug 2026 18:15:00 +0000
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Tue, 18 Aug 2026 17:30:00 +0000
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Tue, 18 Aug 2026 16:45:00 +0000
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| First Time appeared |
Python
Python cpython |
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| Vendors & Products |
Python
Python cpython |
Tue, 18 Aug 2026 16:30:00 +0000
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| Weaknesses | CWE-436 |
Tue, 18 Aug 2026 16:00:00 +0000
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| Weaknesses | CWE-20 |
Tue, 18 Aug 2026 14:30:00 +0000
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| Title | stringprep.map_table_b2() deviates from RFC 3454 Table B.2 — breaks IDNA interoperability | stringprep.map_table_b2() deviates from RFC 3454 Table B.2 |
Tue, 18 Aug 2026 14:00:00 +0000
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| Description | The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0. This behavior would cause mismatches when processing domain names using IDNA 2003 (the "idna" codec) and the in_table_b2() function of the "stringprep" module. This only affects domain names containing characters that were not previously registered or had their Unicode attributes such as case-folding behavior updated since Unicode 3.2.0. | |
| Title | stringprep.map_table_b2() deviates from RFC 3454 Table B.2 — breaks IDNA interoperability | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: PSF
Published: 2026-08-18T13:57:31.876Z
Updated: 2026-09-10T00:35:47.485Z
Reserved: 2026-07-24T14:36:15.943Z
Link: CVE-2026-17084
Updated: 2026-08-18T17:08:22.725Z
Status : Awaiting Analysis
Published: 2026-08-18T14:16:56.290
Modified: 2026-09-10T01:16:35.477
Link: CVE-2026-17084
No data.