Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array
Published May 16, 2017
7.5
HIGHCVSS 3.0
EPSS 1.06%
Description
Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem.
Affected products
- Vendor n/a Product Snort 3.0 All versions prior to build 233. Defaultn/a
- Version Snort 3.0 All versions prior to build 233.StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Snort 3.0 All versions prior to build 233. | n/a |
|
- 3.0
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: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 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.06% (0.01060) | 63.29th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.06% (0.01060) | 63.07th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.12% (0.00118) | 46.42th | v3 (v2023.03.01) |
| May 22, 2024 | 0.12% (0.00118) | 45.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00116) | 43.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (3)
- http://blog.snort.org/2017/05/snort-vulnerabilities-found.html x_refsource_CONFIRMThird Party Advisory
- http://www.securitytracker.com/id/1038483 vdb-entryx_refsource_SECTRACK
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://blog.snort.org/2017/05/snort-vulnerabilities-found.html | x_refsource_CONFIRMThird Party Advisory | |
| http://www.securitytracker.com/id/1038483 | vdb-entryx_refsource_SECTRACK | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort | Vendor Advisory |
Change history (0)
No recorded changes yet.