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chore(deps): bump aiosmtplib from 3.0.2 to 5.1.1 in /apps/backend in the backend-pip-security group across 1 directory#481

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chore(deps): bump aiosmtplib from 3.0.2 to 5.1.1 in /apps/backend in the backend-pip-security group across 1 directory#481
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Bumps the backend-pip-security group with 1 update in the /apps/backend directory: aiosmtplib.

Updates aiosmtplib from 3.0.2 to 5.1.1

Release notes

Sourced from aiosmtplib's releases.

5.1.1

What's Changed

  • Security: Reject control characters (the C0 range 0x00-0x1F and DEL 0x7F, including CR, LF, and NUL) in SMTP command arguments, preventing command injection via input passed to mail(), rcpt(), vrfy(), expn() or sendmail(). Such input now raises ValueError before anything is written to the connection. More details: GHSA-v3q9-hj7j-63hq Thanks to @​tonghuaroot for the report.
  • Bugfix: SMTP.quit() no longer hangs until the read timeout when the peer drops the transport with an exception after QUIT is sent but before the 221 reply is parsed (e.g. AWS SES closing TLS without close_notify). Contributed by @​yamaaaaaa31

New Contributors

Full Changelog: cole/aiosmtplib@v5.1.0...v5.1.1

v5.1.0

What's Changed

  • Feature: Add XOAUTH2 authentication support

Full Changelog: cole/aiosmtplib@v5.0.0...v5.1.0

v5.0.0

What's Changed

  • BREAKING: Drop Python 3.9 support
  • Various testing config improvements

New Contributors

Full Changelog: cole/aiosmtplib@v4.0.2...v5.0.0

v4.0.2

What's Changed

New Contributors

Full Changelog: cole/aiosmtplib@v4.0.1...v4.0.2

v4.0.1

What's Changed

Full Changelog: cole/aiosmtplib@v4.0.0...v4.0.1

v4.0.0

... (truncated)

Changelog

Sourced from aiosmtplib's changelog.

5.1.1

  • Security: Reject control characters (the C0 range 0x00-0x1F and DEL 0x7F, including CR, LF, and NUL) in SMTP command arguments, preventing command injection via input passed to mail(), rcpt(), vrfy(), expn() or sendmail(). Such input now raises ValueError before anything is written to the connection. More details: GHSA-v3q9-hj7j-63hq Thanks to @​tonghuaroot for the report.
  • Bugfix: SMTP.quit() no longer hangs until the read timeout when the peer drops the transport with an exception after QUIT is sent but before the 221 reply is parsed (e.g. AWS SES closing TLS without close_notify).

5.1.0

  • Feature: Add XOAUTH2 authentication support

5.0.0

  • BREAKING: Drop Python 3.9 support

4.0.2

  • Bugfix: correct aexit signature to comply with async context manager protocol (thanks @​oliverlambson)

4.0.1

  • Bugfix: Always clear the connect lock on connection lost, allowing client reconnect

4.0.0

  • BREAKING: Drop Python 3.8 support
  • Bugfix: Run socket.getfqdn in thread to avoid blocking event loop if local_hostname not provided (thanks @​Raidzin)
  • Bugfix: Clear connect lock on connection lost, allowing client reconnect
  • Bugfix: Allow socket connections to use TLS by providing hostname and use_tls=True
Commits

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Bumps the backend-pip-security group with 1 update in the /apps/backend directory: [aiosmtplib](https://github.com/cole/aiosmtplib).


Updates `aiosmtplib` from 3.0.2 to 5.1.1
- [Release notes](https://github.com/cole/aiosmtplib/releases)
- [Changelog](https://github.com/cole/aiosmtplib/blob/main/CHANGELOG.rst)
- [Commits](cole/aiosmtplib@v3.0.2...v5.1.1)

---
updated-dependencies:
- dependency-name: aiosmtplib
  dependency-version: 5.1.1
  dependency-type: direct:production
  dependency-group: backend-pip-security
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added the dependencies Pull requests that update a dependency file label Jul 8, 2026
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