The following errata report has been submitted for RFC9203,
"The Object Security for Constrained RESTful Environments (OSCORE) Profile of 
the Authentication and Authorization for Constrained Environments (ACE) 
Framework".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid8678

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Type: Editorial
Reported by: Marco Tiloca <[email protected]>

Section: 4.2

Original Text
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As specified in Section 5.8.3 of [RFC9200], the RS must notify the
client with an error response with code 4.01 (Unauthorized) for any
long running request before terminating the session, when the access
token expires.

Corrected Text
--------------
As specified in Section 5.10.3 of [RFC9200], the RS must notify the
client with an error response with code 4.01 (Unauthorized) for any
long running request before terminating the session, when the access
token expires.

Notes
-----
The quoted text from Section 4.2 of RFC 9203 defines interactions between the 
client and the RS.

However, the referred Section 5.8.3 of RFC 9200 is about error responses for 
interactions with the AS.

The right section of RFC 9200 to refer to is instead 5.10.3, which says:

"If a token that authorizes a long-running request, such as a CoAP Observe 
[RFC7641], expires, the RS MUST send an error response with the response code 
equivalent to the CoAP code 4.01 (Unauthorized) to the client and then 
terminate processing the long-running request."

Instructions:
-------------
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RFC9203 (draft-ietf-ace-oscore-profile-19)
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Title               : The Object Security for Constrained RESTful Environments 
(OSCORE) Profile of the Authentication and Authorization for Constrained 
Environments (ACE) Framework
Publication Date    : August 2022
Author(s)           : F. Palombini, L. Seitz, G. Selander, M. Gunnarsson
Category            : PROPOSED STANDARD
Source              : Authentication and Authorization for Constrained 
Environments
Stream              : IETF
Verifying Party     : IESG

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