| Name | CVE-2026-15340 |
| Description | lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| lwip (PTS) | bookworm | 2.1.3+dfsg1-2 | vulnerable |
| trixie | 2.2.1+dfsg1-1+deb13u1 | vulnerable |
| forky, sid | 2.2.1+dfsg1-8 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| lwip | source | (unstable) | (unfixed) | unimportant | | |
Notes
Fixed by: https://cgit.git.savannah.gnu.org/cgit/lwip.git/commit/?id=614420f82c8729d070e01464c0dddb3c9525c772
src/apps/smtp code not built in Debian binary packages