[AutoPR- Security] Patch libssh for CVE-2026-0967, CVE-2026-0966, CVE-2026-0965, CVE-2026-0964 [MEDIUM]

[azurelinux-security]

Auto Patch libssh for CVE-2026-0967, CVE-2026-0966, CVE-2026-0965, CVE-2026-0964.

Autosec pipeline run -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1084728&view=results

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?

• Auto Patch libssh for CVE-2026-0967 (LOW), CVE-2026-0966 (MEDIUM), CVE-2026-0965 (LOW), CVE-2026-0964 (MEDIUM).

Change Log

• CVE-2026-0967
• CVE-2026-0966
• CVE-2026-0965
• CVE-2026-0964

Does this affect the toolchain?

YES/NO

Associated issues

• N/A

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-2026-0967
• https://nvd.nist.gov/vuln/detail/CVE-2026-0966
• https://nvd.nist.gov/vuln/detail/CVE-2026-0965
• https://nvd.nist.gov/vuln/detail/CVE-2026-0964

Test Methodology

• Pipeline build id: Buddy Build URL

[Kanishk-Bansal]

Buddy Build

[v-aaditya]

Buddy Build

The Buddy Build has passed !

[Kanishk-Bansal]

All patches matches upstream, CVE-2026-0965 patch was altered a bit to include #ifndef MISC_H_, #define MISC_H_ and minor indentations.

Overall LGTM.

• Buddy Build 
• patch applied during the build (check rpm.log)
• patch include an upstream reference
• PR has security tag

[kgodara912]

All the patches mostly match with respective upstream references. The test failures in buddy build were preexisting and are likely related to unavailability of ssh server in production environments. The buddy build is successful except these failures in test logs. LGTM.