# CVE-2026-81693

## Summary

- **CVE ID:** CVE-2026-81693
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-789
- **Published:** Aug 27, 2026
- **Last Modified:** Aug 27, 2026

## Description

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 Products

- jahlives — openssl_encrypt (0)
- jahlives — openssl_encrypt (1.4.9)

## References

- [CNA](https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-r23m-gf2m-8www)
- [CNA](https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-denial-of-service-via-qr-total-field)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 27.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._