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.
Metrics
Affected Vendors & Products
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History
Wed, 22 Oct 2025 00:15:00 +0000
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threat_severity
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cvssV3_1
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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 | |
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cvssV4_0
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Status: PUBLISHED
Assigner: Nozomi
Published: 2025-10-20T13:51:17.328Z
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 : Awaiting Analysis
Published: 2025-10-20T14:15:40.137
Modified: 2025-10-21T19:31:25.450
Link: CVE-2025-11678