VULNERABILITY INTELLIGENCE
CVE-2026-81693
CVSS score7.5 HIGH
EPSS probability0.49%
CISA KEVNot currently listed
Published2026-08-27
Last modified2026-09-02
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-789
Primary references
- disclosure@vulncheck.com — Vendor Advisory
- disclosure@vulncheck.com — Third Party Advisory