CVE-2025-11678
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-10-20
Last updated on: 2025-10-21
Assigner: Nozomi Networks Inc.
Description
Description
Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilation, to overflow the label_stack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer than the maximum.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| warmcat | libwebsockets | 4.4.2 |
| warmcat | libwebsockets | 4.1 |
| warmcat | libwebsockets | 4.3.6 |
| warmcat | libwebsockets | 4.2 |
| warmcat | libwebsockets | 4.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
