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Package "libwebsockets-dev"

Name: libwebsockets-dev

Description:

lightweight C websockets library - development files
Latest version: 4.0.20-2ubuntu1.1
Release: jammy (22.04)
Level: security
Repository: universe
Head package: libwebsockets
Homepage: https://libwebsockets.org/

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Other versions of "libwebsockets-dev" in Jammy

Repository Area Version
base universe 4.0.20-2ubuntu1
updates universe 4.0.20-2ubuntu1.1

Changelog

Version: 4.0.20-2ubuntu1.1 2026-02-11 14:08:05 UTC

  libwebsockets (4.0.20-2ubuntu1.1) jammy-security; urgency=medium

  * SECURITY UPDATE: use-after-free issue
    - debian/patches/CVE-2025-11677.patch: UAF depending on upgrade allowed
    - CVE-2025-11677
  * SECURITY UPDATE: stack buffer overflow issue
    - debian/patches/CVE-2025-11678.patch: ADNS crafted response overflow
    - CVE-2025-11678

 -- Nishit Majithia <email address hidden> Wed, 11 Feb 2026 11:21:09 +0530
CVE-2025-11677 Use After Free in WebSocket server implementation in lws_handshake_server in warmcat libwebsockets may allow an attacker, in specific configurations
CVE-2025-11678 Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilati


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