{"schema":"threatline.record/2","record":{"id":"CVE-2026-110596","aliases":[],"summary":"quirc through 1.2 Denial of Service via find_alignment_pattern Spiral Search","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.","categories":["Unclassified"],"product":"quirc","vendor":"dlbeer","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110596","source_modified_at":"2026-10-20T01:02:45.791Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"quirc","vendor":"dlbeer","versions":[{"version":"0","lessThanOrEqual":"1.2","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00172,"percentile":0.0627,"score_date":"2026-10-23"},"published_at":"2026-10-14T14:16:39.681Z","modified_at":"2026-10-20T01:02:45.791Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110596","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T01:02:45.791Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110596","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/dlbeer/quirc/pull/159","tags":["issue-tracking","patch"]},{"source":"CVE List","url":"https://github.com/dlbeer/quirc/issues/162","tags":["issue-tracking"]},{"source":"CVE List","url":"https://hackmd.io/@haind-pwn/quirc-alignment-pattern-infinite-loop-dos","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/dlbeer/quirc/blob/542848dd6b9b0eaa9587bbf25b9bc67bd8a71fca/lib/identify.c#L578-L636","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/quirc-through-1.2-denial-of-service-via-find-alignment-pattern-spiral-search","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T01:02:36.747094Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T01:02:45.791Z","content_hash":"81a724efa0edb5e528444056aebb47da194007938b8cf58548959225393bbfe4"}}