CVE-2026-110596
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductDlbeer Quirc
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-834CWE-834
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dlbeer quirc | v ≤ 1.2 | — |
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