Buffer overflow in Denbun by NEOJAPAN Inc
Published Nov 15, 2018
9.8
CRITICALCVSS 3.0
EPSS 3.58%
Description
Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via Cookie data.
Affected products
-
- Version Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlierStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NEOJAPAN Inc. | n/a | n/a |
|
- ≤ 3.3i_r4.0
- ≤ 3.3p_r4.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.58% (0.03584) | 89.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.58% (0.03584) | 87.88th | v5 (v2026.06.15) |
| Jun 1, 2026 | 5.62% (0.05617) | 90.48th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.74% (0.06741) | 90.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 15.55% (0.15555) | 91.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.74% (0.06741) | 90.59th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.93% (0.02929) | 91.19th | v3 (v2023.03.01) |
| Nov 9, 2023 | 2.64% (0.02637) | 89.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.62% (0.02616) | 88.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.63% (0.05634) | 90.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.63% (0.05634) | 89.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.63% (0.05634) | 76.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.83% (0.01828) | 35.38th | v1 |
| Jan 6, 2022 | 1.83% (0.01828) | 34.69th | v1 |
| Sep 1, 2021 | 1.83% (0.01828) | 74.99th | v1 |
| Apr 14, 2021 | 1.83% (0.01828) | 0.00th | v1 |
References (3)
- http://jvn.jp/en/jp/JVN00344155/index.html third-party-advisoryx_refsource_JVNThird Party Advisory
- https://www.denbun.com/en/imap/support/security/181003.html x_refsource_MISCVendor Advisory
- https://www.denbun.com/en/pop/support/security/181003.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://jvn.jp/en/jp/JVN00344155/index.html | third-party-advisoryx_refsource_JVNThird Party Advisory | |
| https://www.denbun.com/en/imap/support/security/181003.html | x_refsource_MISCVendor Advisory | |
| https://www.denbun.com/en/pop/support/security/181003.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.