CVE-2026-81693

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Source
https://cve.org/CVERecord?id=CVE-2026-81693
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81693.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-81693
Aliases
  • GHSA-r23m-gf2m-8www
Published
2026-08-27T14:50:57.596Z
Modified
2026-08-29T03:30:28.091563993Z
Severity
  • 8.7 (High) CVSS_V4 - 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 CVSS Calculator
Summary
openssl_encrypt before 1.4.9 Denial of Service via QR total field
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81693.json",
    "cwe_ids": [
        "CWE-789"
    ],
    "cna_assigner": "VulnCheck"
}
References

Affected packages

Git / github.com/jahlives/openssl_encrypt

Affected ranges

Type
GIT
Repo
https://github.com/jahlives/openssl_encrypt
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
39b0a010cae90520f74b7194f61fedd43af04ef8
Database specific
Show details 
{
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.4.9"
        }
    ]
}

Affected versions

v1.*
v1.4.0
v1.4.1rc1
v1.4.1rc2
v1.4.2
v1.4.4
v1.4.5
v1.4.6
v1.4.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81693.json"