diff --git a/ChangeLog.d/xxx_psa_peerkey.txt b/ChangeLog.d/xxx_psa_peerkey.txt
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+Security
+   * Fix a remotely exploitable heap buffer overflow in TLS handshake parsing.
+     In TLS 1.3, all configurations are affected except PSK-only ones.
+     In TLS 1.2, the affected configurations are those with
+     MBEDTLS_USE_PSA_CRYPTO and ECDH enabled but DHM and RSA disabled.
+     Credit to OSS-Fuzz.