openssl_encrypt before 1.4.9 fails to validate the total field from QR JSON payloads before materializing ranges. Attackers can supply crafted QR images with extremely large total values to trigger unbounded memory allocation and cause denial of service through out-of-memory conditions.
HIGH
Vulnerability intelligence
CVE-2026-81693
CVSS 4.08.7
SeverityHigh
Known exploitedNo
NVD references:
Primary source: NIST National Vulnerability Database