[Medium] Patch rust for CVE-2025-58160, CVE-2026-25541, CVE-2026-25727

[BinduSri-6522866]

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./LICENSES-AND-NOTICES/SPECS/data/licenses.json, ./LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md, ./LICENSES-AND-NOTICES/SPECS/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

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Summary

Patch rust for CVE-2025-58160, CVE-2026-25541, CVE-2026-25727

• CVE-2025-58160:
  patch modified: No
• CVE-2026-25541:
  patch modified: Yes
  Backported manually to support upstream logic in bytes_mut.rs and added testcases for backported code in file test_bytes.rs from upstream.
  Astrolabe reference: tokio-rs/bytes@d0293b0
• CVE-2026-25727:
  patch modified: No

Change Log

• new file: ../SPECS/rust/CVE-2025-58160.patch
• new file: ../SPECS/rust/CVE-2026-25541.patch
• new file: ../SPECS/rust/CVE-2026-25727.patch
• modified: ../SPECS/rust/rust.spec

Does this affect the toolchain?

NO

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-2025-58160
• https://nvd.nist.gov/vuln/detail/CVE-2026-25541
• https://nvd.nist.gov/vuln/detail/CVE-2026-25727

Test Methodology

• Pipeline build id: https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1051441&view=results