{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "7.0"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "8.0"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "42.1"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "13.2"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.1.0"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.",
  "id": "CVE-2016-2851",
  "modified": "2026-03-15T21:49:40.073558820Z",
  "published": "2016-04-07T23:59:09.940Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.exploit-db.com/exploits/39550/"
    },
    {
      "type": "ADVISORY",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.debian.org/security/2016/dsa-3512"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/archive/1/537745/100/0/threaded"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/201701-10"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/84285"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.ubuntu.com/usn/USN-2926-1"
    },
    {
      "type": "ARTICLE",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/"
    },
    {
      "type": "EVIDENCE",
      "url": "http://seclists.org/fulldisclosure/2016/Mar/21"
    },
    {
      "type": "EVIDENCE",
      "url": "https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}