CVE-2018-0684
9.8
CRITICAL · CVSS 3.0 · EPSS 3.6% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R3.0 and earlier, Denbun IMAP version V3.3I R3.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via multipart/form-data format data.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.58% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-11-15 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| neo | debun imap |
| neo | debun pop |
References
- http://jvn.jp/en/jp/JVN00344155/index.html
- https://www.denbun.com/en/imap/support/security/181003.html
- https://www.denbun.com/en/pop/support/security/181003.html
- http://jvn.jp/en/jp/JVN00344155/index.html
- https://www.denbun.com/en/imap/support/security/181003.html
- https://www.denbun.com/en/pop/support/security/181003.html
→ the Explorer · watch your stack · NVD