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.
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Tue, 21 Oct 2025 09:45:00 +0000
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Warmcat
Warmcat libwebsockets |
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Warmcat
Warmcat libwebsockets |
Mon, 20 Oct 2025 14:15:00 +0000
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ssvc
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Mon, 20 Oct 2025 14:00:00 +0000
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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. | |
Title | Stack-based Buffer Overflow in libwebsockets DNS response parsing | |
Weaknesses | CWE-121 | |
References |
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Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: Nozomi
Published:
Updated: 2025-10-20T14:00:37.720Z
Reserved: 2025-10-13T09:56:39.308Z
Link: CVE-2025-11678

Updated: 2025-10-20T14:00:24.521Z

Status : Received
Published: 2025-10-20T14:15:40.137
Modified: 2025-10-20T14:15:40.137
Link: CVE-2025-11678

No data.

Updated: 2025-10-21T09:39:45Z