一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年9月4日

CVE-2026-81693 [HIGH] – openssl_encrypt before 1.4.9 fails to validate the total field from QR JSON payloads befor

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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.