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chore(deps): bump msgpack from 1.1.2 to 1.2.1 in the uv group across 1 directory#67

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dependabot/uv/uv-b15cf8365f
Jun 20, 2026
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chore(deps): bump msgpack from 1.1.2 to 1.2.1 in the uv group across 1 directory#67
johnteee merged 1 commit into
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dependabot/uv/uv-b15cf8365f

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Bumps the uv group with 1 update in the / directory: msgpack.

Updates msgpack from 1.1.2 to 1.2.1

Release notes

Sourced from msgpack's releases.

v1.2.1

What's Changed

Full Changelog: msgpack/msgpack-python@v1.2.0...v1.2.1

v1.2.0

What's Changed

New Contributors

... (truncated)

Changelog

Sourced from msgpack's changelog.

1.2.1

Release Date: 2026-06-19

Fix a segfault when calling Unpacker.unpack() or Unpacker.skip() after an unpacking failure. But note that reusing the same Unpacker instance after an unpacking failure is not supported. Please create a new Unpacker instance instead. GHSA-6v7p-g79w-8964

1.2.0

Release Date: 2026-06-11

  • Support free threaded Python. #654, #686
  • Dropped support for Python 3.9. #656
  • Fix missing error checks in C code. #665, #666, #667, #672
  • Fix strict_map_key option didn't work for object_pairs_hook. #673
  • Increase DEFAULT_RECURSE_LIMIT of Unpacker to 1024. #676
  • Fix memory leak when Unpacker returns error for invalid input. #671
  • Fix Packer.pack_ext_type() ignored autoreset option. #663
  • Fix Timestamp.from_datetime() returning wrong value for pre-epoch datetimes. #662
  • Fix use-after-free in unpackb() and Unpacker.unpack() for non-contiguous input. #677
  • Fix possible memory leak when calling Unpacker.__init__() several times. #687
Commits
  • 448d43f release v1.2.1 (#698)
  • 2c56ddb Merge commit from fork
  • 0f4f350 Bump pypa/cibuildwheel from 4.0.0 to 4.1.0 in the all-dependencies group (#694)
  • 11ed0a5 release v1.2.0 (#692)
  • c410a38 Bump pypa/cibuildwheel from 3.4.1 to 4.0.0 (#691)
  • 97ba6ca skip ci: remove unneeded CIBW_SKIP option
  • cdde1b0 Wheels CI hangs for MacOS Intel (#689)
  • 5eb57e1 release v1.2.0rc1 (#681)
  • 77395c1 Harden Unpacker.__init__ re-entry cleanup to prevent buffer/context leaks (...
  • 7df7136 Guard Packer buffer protocol hooks with Cython critical sections (#686)
  • Additional commits viewable in compare view

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Bumps the uv group with 1 update in the / directory: [msgpack](https://github.com/msgpack/msgpack-python).


Updates `msgpack` from 1.1.2 to 1.2.1
- [Release notes](https://github.com/msgpack/msgpack-python/releases)
- [Changelog](https://github.com/msgpack/msgpack-python/blob/main/CHANGELOG.md)
- [Commits](msgpack/msgpack-python@v1.1.2...v1.2.1)

---
updated-dependencies:
- dependency-name: msgpack
  dependency-version: 1.2.1
  dependency-type: indirect
  dependency-group: uv
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot @github

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The following labels could not be found: python. Please create it before Dependabot can add it to a pull request.

Please fix the above issues or remove invalid values from dependabot.yml.

@dependabot dependabot Bot added the dependencies Pull requests that update a dependency file label Jun 20, 2026
@dependabot dependabot Bot requested a review from johnteee as a code owner June 20, 2026 02:54
@dependabot dependabot Bot added the dependencies Pull requests that update a dependency file label Jun 20, 2026
@johnteee johnteee merged commit 0b5f0cc into main Jun 20, 2026
18 of 20 checks passed
@dependabot dependabot Bot deleted the dependabot/uv/uv-b15cf8365f branch June 20, 2026 02:57
johnteee added a commit that referenced this pull request Jun 20, 2026
Add msgpack>=1.2.0 as a direct dependency to ensure the security
fixes for Unpacker reuse vulnerability are properly enforced.

The dependabot PR #67 already updated msgpack from 1.1.2 to 1.2.1 in uv.lock,
but adding it as a direct dependency ensures the security constraint is
explicitly declared and maintained.

Security fixes in msgpack 1.2.1:
- Harden Unpacker.__init__ re-entry cleanup to prevent buffer/context leaks
- Fix use-after-free in get_data_from_buffer
- Avoid memory leak when decoding invalid nested arrays
- Check return codes in unpack callback functions

Also fix ruff formatting issue in doctor.py docstring.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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