CVE-2013-2054 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2054): Buffer overflow in the atodn function in strongSwan 2.0.0 through 4.3.4, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.
Adding to existing GLSA request.
This issue was resolved and addressed in GLSA 201309-02 at http://security.gentoo.org/glsa/glsa-201309-02.xml by GLSA coordinator Chris Reffett (creffett).