The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018
Published Nov 5, 2018
7.5
HIGHCVSS 3.0
EPSS 2.79%
Description
The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.
Affected products
No data.
- ≥ 4.0.0 · < 4.0.6
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:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.79% (0.02794) | 85.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.79% (0.02794) | 84.52th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.54% (0.00539) | 77.48th | v3 (v2023.03.01) |
| Jun 24, 2024 | 0.54% (0.00539) | 77.35th | v3 (v2023.03.01) |
| Mar 28, 2024 | 0.45% (0.00452) | 74.66th | v3 (v2023.03.01) |
| Feb 15, 2024 | 0.49% (0.00490) | 75.44th | v3 (v2023.03.01) |
| Oct 30, 2023 | 0.49% (0.00490) | 73.42th | v3 (v2023.03.01) |
| Sep 11, 2023 | 0.43% (0.00427) | 71.23th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.42% (0.00416) | 70.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00531) | 73.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v1 |
| Jan 6, 2022 | 1.30% (0.01300) | 30.48th | v1 |
| Sep 1, 2021 | 1.30% (0.01300) | 69.44th | v1 |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (3)
- https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html x_refsource_CONFIRMMailing ListThird Party Advisory
- https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html x_refsource_MISCMailing ListThird Party Advisory
- https://redmine.openinfosecfoundation.org/issues/2658#change-10374 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-November/016316.html | x_refsource_CONFIRMMailing ListThird Party Advisory | |
| https://lists.openinfosecfoundation.org/pipermail/oisf-users/2018-October/016227.html | x_refsource_MISCMailing ListThird Party Advisory | |
| https://redmine.openinfosecfoundation.org/issues/2658#change-10374 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.