[Security] Bump pydantic from 1.7.3 to 1.7.4

[dependabot-preview]

Bumps pydantic from 1.7.3 to 1.7.4. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Use of "infinity" as an input to datetime and date fields causes infinite loop in pydantic Impact

Passing either 'infinity', 'inf' or float('inf') (or their negatives) to datetime or date fields causes validation to run forever with 100% CPU usage (on one CPU). Patches

Pydantic is be patched with fixes available in the following versions:

v1.8.2
v1.7.4
v1.6.2

All these versions are available on pypi, and will be available on conda-forge soon.

See the changelog for details. Workarounds

If you absolutely can't upgrade, you can work around this risk using a validator to catch these values, brief demo:

from datetime import date from pydantic import BaseModel, validator

... (truncated)

Affected versions: >= 1.7.0, < 1.7.4

Release notes

Sourced from pydantic's releases.

v1.7.4 (2021-05-11)

Security fix: Fix date and datetime parsing so passing either 'infinity' or float('inf') (or their negative values) does not cause an infinite loop, see security advisory CVE-2021-29510.

Changelog

Sourced from pydantic's changelog.

v1.7.4 (2021-05-11)

• Security fix: Fix date and datetime parsing so passing either 'infinity' or float('inf') (or their negative values) does not cause an infinite loop, See security advisory CVE-2021-29510

Commits

• e3d1c16 tweak history
• b3ecf68 comment out broken tests
• 4c1fea6 hack tests into passing
• f461cb0 prepare for release
• 80e0dd3 Merge pull request from GHSA-5jqp-qgf6-3pvh
• See full diff in compare view

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