CVE-2025-11933

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Source
https://cve.org/CVERecord?id=CVE-2025-11933
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11933.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-11933
Downstream
Published
2025-11-21T22:19:08.654Z
Modified
2026-07-16T03:47:22.594107348Z
Severity
  • 2.3 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L CVSS Calculator
Summary
DoS Vulnerability in wolfSSL TLS 1.3 CKS Extension
Details

Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions.

Database specific 
{
    "cna_assigner": "wolfSSL",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11933.json",
    "cwe_ids": [
        "CWE-20"
    ]
}
References

Affected packages

Git / github.com/wolfssl/wolfssl

Affected ranges

Type
GIT
Repo
https://github.com/wolfssl/wolfssl
Events
Introduced
d195009dcb62d8712195661bd1d50f8dd6831044
Fixed
59f4fa568615396fbf381b073b220d1e8d61e4c2
Database specific 
{
    "extracted_events": [
        {
            "introduced": "3.12.0"
        },
        {
            "fixed": "5.8.4"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

Other
WCv4-rng-stable
l
list
wolfEntropy1
WCv5.*
WCv5.0-RC10
WCv5.0-RC11
WCv5.0-RC12
WCv5.0-RC9
v3.*
v3.12.0-stable
v3.12.2-stable
v3.13.0-stable
v3.13.2
v3.13.3
v3.14.0-stable
v3.14.0a
v3.14.0b
v3.14.2
v3.14.4
v3.15.0-stable
v3.15.3-stable
v3.15.5-stable
v3.15.5a
v3.15.6
v3.15.7-stable
v4.*
v4.0.0-stable
v4.1.0-stable
v4.2.0-stable
v4.2.0c
v4.3.0-stable
v4.4.0-stable
v4.5.0-stable
v4.6.0-stable
v4.7.0-stable
v4.7.1r
v4.8.0-stable
v5.*
v5.0.0-stable
v5.1.0-stable
v5.2.0-stable
v5.2.1
v5.3.0-stable
v5.4.0-stable
v5.5.0-stable
v5.5.1-stable
v5.5.2-stable
v5.5.3-stable
v5.5.4-stable
v5.6.0-stable
v5.6.2-stable
v5.6.3-stable
v5.6.4-stable
v5.6.6-stable
v5.7.0-stable
v5.7.2-stable
v5.7.4-stable
v5.7.6-stable
v5.8.0-stable
v5.8.2-stable

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11933.json"