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CVE-2026-81693 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-r23m-gf2m-8www	[email protected]	Vendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-denial-of-service-via-qr-total-field	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-789	Memory Allocation with Excessive Size Value	[email protected]

Affected Products

Product	Versions
jahlives openssl encrypt	< 1.4.9
CPE cpe:2.3:a:jahlives:openssl_encrypt::::::python::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 2, 2026	Initial Analysis	[email protected]
Aug 27, 2026	CVE Modified	CISA-ADP
Aug 27, 2026	New CVE Received	[email protected]