{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.2"
              },
              {
                "fixed": "1.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "542848dd6b9b0eaa9587bbf25b9bc67bd8a71fca"
            }
          ],
          "repo": "https://github.com/dlbeer/quirc",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-834"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110596.json"
  },
  "details": "quirc through 1.2 contains an excessive-iteration vulnerability in find_alignment_pattern() in lib/identify.c that allows attackers to hang quirc_end() with a crafted image. Attackers can arrange three finder patterns producing a near-degenerate perspective transform, causing billions of region_code() iterations that exhaust CPU in applications decoding attacker-supplied QR images.",
  "id": "CVE-2026-110596",
  "modified": "2026-10-16T02:30:56.982660267Z",
  "published": "2026-10-14T14:16:39.681Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110596.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind-pwn/quirc-alignment-pattern-infinite-loop-dos"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110596"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/quirc-through-1.2-denial-of-service-via-find-alignment-pattern-spiral-search"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/dlbeer/quirc/issues/162"
    },
    {
      "type": "FIX",
      "url": "https://github.com/dlbeer/quirc/pull/159"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dlbeer/quirc"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/dlbeer/quirc/blob/542848dd6b9b0eaa9587bbf25b9bc67bd8a71fca/lib/identify.c#L578-L636"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "quirc through 1.2 Denial of Service via find_alignment_pattern Spiral Search"
}