GNU bug report logs - #54624
29.0.50; textsec and ipv6 addresses

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Package: emacs;

Reported by: Aleksandr Vityazev <avityazev <at> posteo.org>

Date: Tue, 29 Mar 2022 12:37:01 UTC

Severity: normal

Found in version 29.0.50

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #13 received at 54624 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattiase <at> acm.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 54624 <at> debbugs.gnu.org, Aleksandr Vityazev <avityazev <at> posteo.org>
Subject: bug#54624: 29.0.50; textsec and ipv6 addresses
Date: Sun, 3 Apr 2022 18:53:05 +0200

>   (or (string-match-p "\\`\\([0-9]\\{1,3\\}\\.?\\)\\{1,4\\}\\'" domain)
>       (let ((ipv6 "\\([0-9a-f]\\{0,4\\}:?\\)\\{1,8\\}"))

Sorry, but these regexps aren't very precise, are they? They match a lot more than valid IP addresses. For example, both match "12345".

Is there any reason to be approximate here? Shouldn't be very hard to only allow well-formed addresses.
This bug report was last modified 3 years and 92 days ago.

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