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Vulnerabilities CVE-2026-78161

CVE-2026-78161

Medium
Open
TLP:CLEAR

warmcat libwebsockets LECP CBOR Recording lecp.c report_raw_cbor out-of-bounds write

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Description

A vulnerability was found in warmcat libwebsockets 4.5.0. Impacted is the function report_raw_cbor of the file lib/misc/lecp.c of the component LECP CBOR Recording. The manipulation results in out-of-bounds write. The attack can be launched remotely. The exploit has been made public and could be used. The patch is identified as 1d44554a1bb262db63ff4e240152a9deecd99054. It is best practice to apply a patch to resolve this issue.

Details

CVSS Score
6.9
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Confidence
90%
Published
Aug 24, 2026
Last Modified
Aug 24, 2026
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