{"id":"CVE-2026-110596","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110596","generatedAt":"2026-10-27T23:45:13.388Z","title":"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.","description":"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.","published":"2026-10-14T15:17:11.000Z","lastModified":"2026-10-20T01:17:11.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.8,"severity":"MEDIUM","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-834"],"affected":[],"epss":{"score":0.00163,"percentile":0.05461,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00172,"percentile":0.06137}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T15:17:11.000Z","detail":{"score":"6.8","severity":"MEDIUM","publishedAt":"2026-10-14T15:17:10.797Z"},"summary":"New CVE, medium severity (CVSS 6.8)."}],"references":[{"url":"https://github.com/dlbeer/quirc/blob/542848dd6b9b0eaa9587bbf25b9bc67bd8a71fca/lib/identify.c#L578-L636","source":"disclosure@vulncheck.com"},{"url":"https://github.com/dlbeer/quirc/issues/162","source":"disclosure@vulncheck.com"},{"url":"https://github.com/dlbeer/quirc/pull/159","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/quirc-alignment-pattern-infinite-loop-dos","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/quirc-through-1.2-denial-of-service-via-find-alignment-pattern-spiral-search","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110596","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}