CRITICAL
Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and possibly other exploitation
Published Jan 2, 2018
9.8
CRITICALCVSS 3.0
EPSS 2.27%
Description
Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and possibly other exploitation.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.27% 0.02267
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02267
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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.27% (0.02267) | 82.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.27% (0.02267) | 80.68th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.60% (0.00596) | 66.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.32% (0.02316) | 74.61th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.34% (0.00343) | 71.85th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.34% (0.00343) | 71.21th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.29% (0.00291) | 68.39th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00266) | 66.69th | v3 (v2023.03.01) |
| May 26, 2023 | 0.56% (0.00561) | 74.41th | v3 (v2023.03.01) |
| May 8, 2023 | 0.54% (0.00540) | 73.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00379) | 68.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00976) | 26.54th | v1 |
| Jan 6, 2022 | 0.98% (0.00976) | 25.91th | v1 |
| Sep 1, 2021 | 0.98% (0.00976) | 61.78th | v1 |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://bro-tracker.atlassian.net/browse/BIT-1856 x_refsource_MISCThird Party Advisory
- https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bro-tracker.atlassian.net/browse/BIT-1856 | x_refsource_MISCThird Party Advisory | |
| https://github.com/bro/bro/commit/6c0f101a62489b1c5927b4ed63b0e1d37db40282 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 2, 2018
Updated Sep 16, 2024
Reserved Jan 2, 2018
Link CVE-2017-1000458
CISA Vulnrichment
Updated n/a