emacs 25.3
emacs 25.3

From the mailing list:

> This is an emergency release to fix a security vulnerability in Emacs.
>
> Enriched Text mode has its support for decoding 'x-display'
> disabled.  This feature allows saving 'display' properties as part
> of text.  Emacs 'display' properties support evaluation of arbitrary
> Lisp forms as part of instantiating the property, so decoding
> 'x-display' is vulnerable to executing arbitrary malicious Lisp code
> included in the text (e.g., sent as part of an email message).
>
> This vulnerability was introduced in Emacs 19.29.  To work around
> that in Emacs versions before 25.3, append the following to your
> ~/.emacs init file:
>
>    (eval-after-load "enriched"
>       '(defun enriched-decode-display-prop (start end &optional param)
>          (list start end)))
>
> Gnus no longer supports "richtext" and "enriched" inline MIME
> objects.  This support was disabled to avoid evaluation of arbitrary
> Lisp code contained in email messages and news articles.

Closes #17958.

Signed-off-by: FX Coudert <c329953660db96eae534be5bbf1a735c2baf69b5@gmail.com>

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