Re: invalid free in GNU ed before 1.14.1

[<cve-assign () mitre org>]

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> Reproducer:
> echo -e "H\n?\{" | ed

> regex.c

> https://lists.gnu.org/archive/html/bug-ed/2017-01/msg00000.html

> > AddressSanitizer: attempting free on address which was not malloc()-ed

Use CVE-2017-5357.

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