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Debian Security Advisory DSA 3610-1 (xerces-c - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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).
Affected Software
Affected Software
xerces-c on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
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.