An issue was discovered in NeoMutt before 2018-07-16. nntp_add_group in newsrc.c has a stack-based buffer overflow because of incorrect sscanf usage.
Conclusion & alert: CVE-2018-14360 is rated High Risk (70.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.65%). Core evidence: EPSS rose +2.32% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 0.33% | 2.65% | +2.32% |
| 2 | 2026-02-23 | 0.61% | 0.33% | -0.27% |
| 3 | 2025-11-21 | — | 0.61% | — |
Full EPSS history (16 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-2018-14360 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-2018-14360 |
ubuntu
|
medium | CVE-2018-14360 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-2018-14360 |
| 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/6296f7153f0c9d5e5cd3aaf08f9731e56621bdd3 | 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 |