bugtraq - [SECURITY] [DSA 4613-1] libidn2 security update

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Message-Id: <E1ixlpV-0000Sp-No@seger.debian.org>
Date: Sat, 01 Feb 2020 06:00:29 +0000
From: Salvatore Bonaccorso <carnil@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 4613-1] libidn2 security update

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Debian Security Advisory DSA-4613-1                   security@...ian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 01, 2020                     https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : libidn2
CVE ID         : CVE-2019-18224
Debian Bug     : 942895

A heap-based buffer overflow vulnerability was discovered in the
idn2_to_ascii_4i() function in libidn2, the GNU library for
Internationalized Domain Names (IDNs), which could result in denial of
service, or the execution of arbitrary code when processing a long
domain string.

For the stable distribution (buster), this problem has been fixed in
version 2.0.5-1+deb10u1.

We recommend that you upgrade your libidn2 packages.

For the detailed security status of libidn2 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/libidn2

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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