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Debian Security Advisory 3610-1

Debian Security Advisory 3610-1
Posted Jun 30, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3610-1 - Brandon Perry discovered that xerces-c, a validating XML parser library for C++, fails to successfully parse a DTD that is deeply nested, causing a stack overflow. A remote unauthenticated attacker can take advantage of this flaw to cause a denial of service against applications using the xerces-c library.

tags | advisory, remote, denial of service, overflow
systems | linux, debian
advisories | CVE-2016-4463
SHA-256 | 1f894b4a8b46f7ea26ba4c7e1e986dae118351e027465bbd76eee0989c28c308

Debian Security Advisory 3610-1

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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3610-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
June 29, 2016 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : xerces-c
CVE ID : CVE-2016-4463
Debian Bug : 828990

Brandon Perry discovered that xerces-c, a validating XML parser library
for C++, fails to successfully parse a DTD that is deeply nested,
causing a stack overflow. A remote unauthenticated attacker can take
advantage of this flaw to cause a denial of service against applications
using the xerces-c library.

Additionally this update includes an enhancement to enable applications
to fully disable DTD processing through the use of an environment
variable (XERCES_DISABLE_DTD).

For the stable distribution (jessie), this problem has been fixed in
version 3.1.1-5.1+deb8u3.

We recommend that you upgrade your xerces-c packages.

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@lists.debian.org
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