MEDIUM 6.8 NVD
CVE-2026-110596
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 c
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.
References
- https://github.com/dlbeer/quirc/blob/542848dd6b9b0eaa9587bbf25b9bc67bd8a71fca/lib/identify
- https://github.com/dlbeer/quirc/issues/162
- https://github.com/dlbeer/quirc/pull/159
- https://hackmd.io/@haind-pwn/quirc-alignment-pattern-infinite-loop-dos
- https://www.vulncheck.com/advisories/quirc-through-1.2-denial-of-service-via-find-alignmen
This medium severity vulnerability with a CVSS score of 6.8 was published on 2026-10-14 via NVD.
vulnfeed aggregates 14864 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.