Critical
Savannah lwIP SMTP client Classic Buffer Overflow
lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.
Announced Group revision 1
Original source ↗CVE-2026-15340
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-15340
lwIP SMTP client
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Savannah",
"product": "lwIP SMTP client",
"versions": [
{
"status": "affected",
"version": "2.2.1"
},
{
"status": "unaffected",
"version": "patch_125_smtp_txbuf.diff"
},
{
"status": "unaffected",
"version": "git commit (614420f82c8729d070e01464c0dddb3c9525c772)"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-15340
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #17016 · Revision 1
- Added to Heist Feed
- Publisher date