dtls.c: fix length check in check_server_certificate.#267
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Fixes potential out-of-bounds read. Signed-off-by: Achim Kraus <achim.kraus@cloudcoap.net>
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Please a fast LGTM, thanks! |
obgm
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Mar 17, 2026
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| data += DTLS_HS_LENGTH; | ||
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| if (data_length < DTLS_HS_LENGTH + DTLS_EC_SUBJECTPUBLICKEY_SIZE + sizeof(uint24)) { |
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Looks good in general but I think this check should come before doing the update_hs_hash in line 3433 .
Otherwise, LGTM.
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Fixes potential out-of-bounds read.