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.
Metrics
Affected Vendors & Products
References
History
Wed, 03 Dec 2025 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apple
Apple macos Linux Linux linux Kernel |
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| CPEs | cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
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| Vendors & Products |
Apple
Apple macos Linux Linux linux Kernel |
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| Metrics |
cvssV3_1
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Mon, 24 Nov 2025 18:15:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Mon, 24 Nov 2025 09:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Wolfssl
Wolfssl wolfssl |
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| Vendors & Products |
Wolfssl
Wolfssl wolfssl |
Fri, 21 Nov 2025 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | DoS Vulnerability in wolfSSL TLS 1.3 CKS Extension | |
| Weaknesses | CWE-20 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: wolfSSL
Published: 2025-11-21T22:19:08.654Z
Updated: 2025-11-24T17:59:45.393Z
Reserved: 2025-10-17T22:15:26.318Z
Link: CVE-2025-11933
Updated: 2025-11-24T16:21:12.511Z
Status : Analyzed
Published: 2025-11-21T23:15:44.293
Modified: 2025-12-03T18:47:07.833
Link: CVE-2025-11933
No data.