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[AutoPR- Security] Patch libgit2 for CVE-2026-53587, CVE-2026-53586, CVE-2026-53585, CVE-2026-53584, CVE-2026-53583 [HIGH] - #18548

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Azure Linux Security Servicing Account (azurelinux-security) wants to merge 2 commits into
microsoft:fasttrack/3.0from
azurelinux-security:azure-autosec/libgit2/3.0/1187176
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[AutoPR- Security] Patch libgit2 for CVE-2026-53587, CVE-2026-53586, CVE-2026-53585, CVE-2026-53584, CVE-2026-53583 [HIGH]#18548
Azure Linux Security Servicing Account (azurelinux-security) wants to merge 2 commits into
microsoft:fasttrack/3.0from
azurelinux-security:azure-autosec/libgit2/3.0/1187176

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@azurelinux-security

@azurelinux-security Azure Linux Security Servicing Account (azurelinux-security) commented Aug 21, 2026

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Auto Patch libgit2 for CVE-2026-53587, CVE-2026-53586, CVE-2026-53585, CVE-2026-53584, CVE-2026-53583.

Autosec pipeline run -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1187176&view=results

CVE-2026-53585 : Single Patch Backporter Pipeline Run -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1187180&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

Summary

What does the PR accomplish, why was it needed?

  • Auto Patch libgit2 for CVE-2026-53587 (HIGH), CVE-2026-53586 (MEDIUM), CVE-2026-53585 (MEDIUM), CVE-2026-53584 (MEDIUM), CVE-2026-53583 (MEDIUM).
Change Log
  • CVE-2026-53587
  • CVE-2026-53586
  • CVE-2026-53585
  • CVE-2026-53584
  • CVE-2026-53583
Does this affect the toolchain?

YES/NO

Associated issues
  • N/A
Links to CVEs
Test Methodology

@azure-pipelines

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Azure Pipelines:
There may be pipelines that require an authorized user to comment /azp run to run.

@microsoft-github-policy-service microsoft-github-policy-service Bot added Packaging fasttrack/3.0 PRs Destined for Azure Linux 3.0 labels Aug 21, 2026
Fix the missing semicolon and remove the duplicated object-size check.
Drop the malformed regression test and its binary fixture, which cannot
be applied by the spec's patch-based %autosetup flow.
@kgodara912
kgodara912 marked this pull request as ready for review August 21, 2026 15:56
@kgodara912
kgodara912 requested a review from a team as a code owner August 21, 2026 15:56
@kgodara912

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Buddy build. The test failure was addressed in separate 3.0-dev branch PR and it was merged.

@kgodara912

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Buddy build with test PR as well as CVE patches on 3.0-dev branch.

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3 participants