The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing
Published Mar 17, 2019
7.5
HIGHCVSS 3.1
EPSS 2.36%
Description
The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.
Affected products
No data.
Configuration 1
- ≥ 4.1.13 · ≤ 4.4.0
Configuration 2
- 28
- 29
Configuration 3
- 16.04
- 18.04
Configuration 4
- 8.0
- 10.0
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.36% (0.02356) | 83.12th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.36% (0.02356) | 82.97th | v5 (v2026.06.15) |
| Jul 20, 2024 | 1.23% (0.01229) | 85.58th | v3 (v2023.03.01) |
| Mar 10, 2024 | 1.23% (0.01229) | 85.03th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.41% (0.01407) | 84.95th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.84% (0.00840) | 79.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00700) | 77.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.94% (0.01943) | 48.45th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.94% (0.01943) | 0.00th | v1 |
References (5)
- https://bestpractical.com/download-page x_refsource_CONFIRMProductRelease Notes
- https://lists.debian.org/debian-lts-announce/2020/02/msg00009.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CPJVDT77ZPRU5Z2BEMZM7EBY6WZHUATZ/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YR46PPHBEM76DNN4DEQMAYIKLCO3TQU2/ vendor-advisoryx_refsource_FEDORA
- https://usn.ubuntu.com/4517-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bestpractical.com/download-page | x_refsource_CONFIRMProductRelease Notes | |
| https://lists.debian.org/debian-lts-announce/2020/02/msg00009.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CPJVDT77ZPRU5Z2BEMZM7EBY6WZHUATZ/ | vendor-advisoryx_refsource_FEDORA | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YR46PPHBEM76DNN4DEQMAYIKLCO3TQU2/ | vendor-advisoryx_refsource_FEDORA | |
| https://usn.ubuntu.com/4517-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory |
Change history (0)
No recorded changes yet.