USN-8822-1: Libwebsockets vulnerabilities
Ubuntu's Libwebsockets update covers a resource-exhaustion flaw and a CBOR bug that may allow code execution.
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CVE-2026-78161
- CVSS 4.0
- 5.5 medium
- EPSS
- <1%p34
- Published
- ·
- Modified
Description · NVD
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.
- Weakness
- CWE-119, CWE-787
- 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
In the news
2 storiesUSN-8893-1: Libwebsockets vulnerabilities
Ubuntu fixed two libwebsockets buffer overflows that could crash systems or run code.
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