CVEvulnerability
CVE-2026-10650
5.5 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-06-02
- Last modified
- 2026-07-22
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.5 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400, CWE-404
Description
A flaw has been found in warmcat libwebsockets up to 4.5.8. This issue affects the function lws_ssh_parse_plaintext of the file plugins/protocol_lws_ssh_base/sshd.c of the component SSH Protocol Handler. Executing a manipulation of the argument msg_len can lead to resource consumption. The attack may be launched remotely. The exploit has been published and may be used. This patch is called 3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498. A patch should be applied to remediate this issue.
Related
References
- https://github.com/biniamf/pocs/blob/main/libwebsockets_sshd-parse-ic-unbounded-alloc/poc_sshd_unbounded_alloc.py github.com
- https://github.com/biniamf/pocs/tree/main/libwebsockets_sshd-parse-ic-unbounded-alloc github.com
- https://github.com/warmcat/libwebsockets/ github.com
- https://github.com/warmcat/libwebsockets/commit/3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498 github.com
- https://vuldb.com/cve/CVE-2026-10650 vuldb.com
- https://vuldb.com/submit/830261 vuldb.com
- https://vuldb.com/vuln/367955 vuldb.com
- https://vuldb.com/vuln/367955/cti vuldb.com