[stable33] fix(validation): harden signed file validation handling#7601

Merged

vitormattos merged 5 commits intostable33from

backport/7598/stable33

Apr 24, 2026

Commits on Apr 24, 2026

fix(validation): guard invalid signed file streams in CertificateChainService

vitormattos
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backportbot-libresign[bot]
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fix(validation): guard invalid envelope signed file streams

vitormattos
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backportbot-libresign[bot]
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fix(validation): tolerate runtime validation payload variations

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test(validation): cover string-based runtime payload normalization

vitormattos
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test(validation): cover invalid certificate chain stream handling

vitormattos
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backportbot-libresign[bot]
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