Upgrade postgresql to 16.12 for CVE-2026-2003, CVE-2026-2004, CVE-2026-2005, CVE-2026-2006, CVE-2026-2007 [HIGH]

[Kanishk-Bansal]

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

What does the PR accomplish, why was it needed?

• Upgrade postgresql to 16.12 for CVE-2026-2003, CVE-2026-2004, CVE-2026-2005, CVE-2026-2006, CVE-2026-2007

Change Log

• CVE-2026-2003,
• CVE-2026-2004,
• CVE-2026-2005,
• CVE-2026-2006,
• CVE-2026-2007

Does this affect the toolchain?

NO

Associated issues

• #xxxx

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-2026-2003,
• https://nvd.nist.gov/vuln/detail/CVE-2026-2004,
• https://nvd.nist.gov/vuln/detail/CVE-2026-2005,
• https://nvd.nist.gov/vuln/detail/CVE-2026-2006,
• https://nvd.nist.gov/vuln/detail/CVE-2026-2007

Test Methodology

• Pipeline build id: xxxx

[Kanishk-Bansal]

Waiting for Source Tarball Publishing

[Kanishk-Bansal]

Src Tar Ball Publishing - https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1047922&view=results

[Kanishk-Bansal]

Buddy Build

[Kanishk-Bansal]

/azurepipelines run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[Kanishk-Bansal]

CVEs fix ref - https://www.postgresql.org/about/news/postgresql-182-178-1612-1516-and-1421-released-3235/

[Kanishk-Bansal]

gd, pango, mysql are known failures