Bug#1136008: opencascade: CVE-2026-42476 CVE-2026-42477 CVE-2026-42478 CVE-2026-42479 CVE-2026-42480 CVE-2026-42481

[Tobias Frost]

Control: forwarded -1 https://github.com/Open-Cascade-SAS/OCCT/pull/1514

I've asked upstream and got pointed to:
https://github.com/Open-Cascade-SAS/OCCT/pull/1514

Currently clarifying if this PR fixes all of them, see linked PR.

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tobi