CVE-2026-81693

Summary

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.

Affected Software

VendorProductVersion RangeStatus
jahlivesopenssl_encrypt0 < 1.4.9affected
jahlivesopenssl_encrypt1.4.9unaffected

Weaknesses

  • CWE-789: Memory Allocation with Excessive Size Value

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References