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Changelog entry for PSA CBC-PKCS7 padding oracle fix

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Signed-off-by: Gilles Peskine <[email protected]>
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Gilles Peskine
2025-09-08 12:22:39 +02:00
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ChangeLog.d/pkcs7-padding-error-leak.txt
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Security
* Fix a timing side channel in CBC-PKCS7 decryption that could
allow an attacker who can submit chosen ciphertexts to recover
some plaintexts through a timing-based padding oracle attack.
Credits to Beat Heeb from Oberon microsystems AG. CVE-TODO