CVE-2026-10650
- Source
- https://cve.org/CVERecord?id=CVE-2026-10650
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-10650.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-10650
- Downstream
- Published
- 2026-06-02T21:15:10Z
- Modified
- 2026-10-21T02:54:35Z
- Severity
-
- 5.5 (Medium) CVSS_V4 - 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 CVSS Calculator
- Summary
- warmcat libwebsockets SSH Protocol sshd.c lws_ssh_parse_plaintext resource consumption
- Details
-
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.
- Database specific
{ "cna_assigner": "VulDB", "cwe_ids": [ "CWE-400", "CWE-404" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10650.json" }- References
-
- https://github.com/warmcat/libwebsockets/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10650.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-10650
- https://vuldb.com/cve/CVE-2026-10650
- https://vuldb.com/submit/830261
- https://vuldb.com/vuln/367955
- https://vuldb.com/vuln/367955/cti
- https://github.com/warmcat/libwebsockets/commit/3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498
- https://github.com/biniamf/pocs/blob/main/libwebsockets_sshd-parse-ic-unbounded-alloc/poc_sshd_unbounded_alloc.py
- https://github.com/biniamf/pocs/tree/main/libwebsockets_sshd-parse-ic-unbounded-alloc
Affected packages
Git / github.com/warmcat/libwebsockets
Affected ranges
- Type
- GIT
- Repo
- https://github.com/warmcat/libwebsockets
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "4.5.0" }, { "last_affected": "4.5.0" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.1" }, { "last_affected": "4.5.1" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.2" }, { "last_affected": "4.5.2" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.3" }, { "last_affected": "4.5.3" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.4" }, { "last_affected": "4.5.4" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.5" }, { "last_affected": "4.5.5" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.6" }, { "last_affected": "4.5.6" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.7" }, { "last_affected": "4.5.7" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.5.8" }, { "last_affected": "4.5.8" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "fixed": "3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498" } ], "source": "REFERENCES_COMMIT" } ] }