{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.27"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to a one-byte out-of-bounds write in the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c mishandles section switches.",
  "id": "CVE-2019-12495",
  "modified": "2026-03-13T21:49:19.233073125Z",
  "published": "2019-05-31T11:29:02.623Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/108541"
    },
    {
      "type": "FIX",
      "url": "https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5"
    },
    {
      "type": "EVIDENCE",
      "url": "https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}