vulnerability
Debian: CVE-2025-11678: libwebsockets -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:A/AC:M/Au:N/C:C/I:C/A:P) | Nov 19, 2025 | Nov 19, 2025 | Dec 17, 2025 |
Severity
8
CVSS
(AV:A/AC:M/Au:N/C:C/I:C/A:P)
Published
Nov 19, 2025
Added
Nov 19, 2025
Modified
Dec 17, 2025
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.
Solution
debian-upgrade-libwebsockets
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