[MEDIUM] Patch perl for CVE-2025-40909

[aninda-al]

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

Address CVE-2025-40909

Upstream Patch link: https://github.com/Perl/perl5/commit/918bfff86ca8d6d4e4ec5b30994451e0bd74aba9.patch
Patch link mentioned in astrolabe and https://security-tracker.debian.org/tracker/CVE-2025-40909

Change Log

• added: SPECS/perl/CVE-2025-40909.patch
• modified: SPECS/perl/perl.spec
• modified: toolkit/resources/manifests/package/pkggen_core_aarch64.txt
• modified: toolkit/resources/manifests/package/pkggen_core_x86_64.txt
• modified: toolkit/resources/manifests/package/toolchain_aarch64.txt
• modified: toolkit/resources/manifests/package/toolchain_x86_64.txt

Does this affect the toolchain?

YES

Associated issues

• NA

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-2025-40909

Test Methodology

• local build
• Didn't attempt to build toolchain locally, as I believe my VM might run out of memory

[kgodara912]

Buddy build. Patch matches with upstream reference. Will trigger toolchain build and update -> toolchain builds fine locally.

[kgodara912]

Buddy build succeeded and toolkit compiles fine locally. LGTM.