[Backport 21.2.X] fix(core): avoid caching missing locale data#69352
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SkyZeroZx wants to merge 1 commit into
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[Backport 21.2.X] fix(core): avoid caching missing locale data#69352SkyZeroZx wants to merge 1 commit into
SkyZeroZx wants to merge 1 commit into
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Only cache locale data loaded from the global locale registry when an actual locale entry is found. This prevents attacker-controlled missing locale identifiers from being retained indefinitely in SSR when locale lookup falls back to a parent locale or the built-in English locale, avoiding unbounded process memory growth in locale-aware pipes and formatters. (cherry picked from commit ea8277a)
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Backport of #69345 to 21.2.x.