lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.

Project Subscriptions

Vendors Products
Savannah Subscribe
Lwip Smtp Client Subscribe
Advisories

No advisories yet.

Fixes

Solution

xchglabs reports that the vulnerability was fixed and released in the following patch: patch_125_smtp_txbuf.diff . This is available as available as git commit (614420f82c8729d070e01464c0dddb3c9525c772)


Workaround

No workaround given by the vendor.

History

Sun, 11 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Savannah
Savannah lwip Smtp Client
Vendors & Products Savannah
Savannah lwip Smtp Client

Fri, 09 Oct 2026 15:00:00 +0000

Type Values Removed Values Added
Description lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.
Title Savannah lwIP SMTP client Classic Buffer Overflow
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-10-11T17:05:28.240Z

Reserved: 2026-07-09T19:50:39.306Z

Link: CVE-2026-15340

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-09T15:17:13.510

Modified: 2026-10-11T17:17:04.003

Link: CVE-2026-15340

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T12:26:23Z

Weaknesses