An issue was discovered in NeoMutt before 2018-07-16. nntp.c proceeds even if memory allocation fails for messages data.
Conclusion & alert: CVE-2018-14361 is rated Moderate Risk (59.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.37%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-13 | 0.48% | 0.37% | -0.11% |
| 2 | 2026-02-24 | 0.71% | 0.48% | -0.23% |
| 3 | 2026-02-23 | — | 0.71% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-14361 not yet assigned priority: Debian including 2 source packages (mutt, neomutt), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2018-14361 |
ubuntu
|
medium | CVE-2018-14361 medium priority: Ubuntu including 1 source packages (neomutt), 18 status rows across 18 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, trusty, upstream, xenial): not-affected 12, DNE 3, released 2, ignored 1. | https://ubuntu.com/security/CVE-2018-14361 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| neomutt | neomutt | < 20180716 | cpe:2.3:a:neomutt:neomutt:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/neomutt/neomutt/commit/9e927affe3a021175f354af5fa01d22657c20585 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/08/msg00001.html | Mailing List Third Party Advisory |
| https://neomutt.org/2018/07/16/release | Release Notes Vendor Advisory |
| https://www.debian.org/security/2018/dsa-4277 | Third Party Advisory |