{
  "modified": "2025-08-09T19:01:27Z",
  "published": "2013-02-13T01:55:04Z",
  "id": "CVE-2013-0238",
  "details": "The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/51948"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/52106"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.debian.org/security/2013/dsa-2618"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:093"
    },
    {
      "type": "WEB",
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267"
    },
    {
      "type": "WEB",
      "url": "http://osvdb.org/89623"
    },
    {
      "type": "WEB",
      "url": "http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786\u0026r2=1785\u0026pathrev=1786"
    },
    {
      "type": "WEB",
      "url": "http://www.exploit-db.com/exploits/24951"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2013/01/29/8"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/57610"
    },
    {
      "type": "WEB",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/81695"
    },
    {
      "type": "WEB",
      "url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055"
    }
  ]
}