GNU bug report logs

#47351 python-pygments@2.7.3 is vulnerable to at least CVE-2021-20270

PackageSource(s)Maintainer(s)
guix PTS Buildd Popcon
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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: Léo Le Bouter <lle-bout@zaclys.net>
Subject: Re: bug#47351: python-pygments@2.7.3 is vulnerable to at least
 CVE-2021-20270
References: <52ebf77423268ebf2a2bf87d524b86224ec13233.camel@zaclys.net>
Date: Tue, 22 Mar 2022 22:31:58 -0400
In-Reply-To: <52ebf77423268ebf2a2bf87d524b86224ec13233.camel@zaclys.net>
 ("Léo
 Le Bouter"'s message of "Wed, 24 Mar 2021 00:20:14 +0100")
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Léo Le Bouter <lle-bout@zaclys.net> writes:

> CVE-2021-20270	23.03.21 18:15
> An infinite loop in SMLLexer in Pygments
> versions 1.5 to 2.7.3 may lead to denial of service when performing
> syntax highlighting of a Standard ML (SML) source file, as demonstrated
> by input that only contains the "exception" keyword.
>
> Upstream version 2.8.1 is not affected.

Which is now the current version packaged in Guix.

Thanks for the report!

Closing.

Maxim




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