An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b
Published Jun 22, 2017
9.8
CRITICALCVSS 3.1
EPSS 2.34%
Description
An exploitable heap buffer overflow vulnerability exists in the X509 certificate parsing functionality of InsideSecure MatrixSSL 3.8.7b. A specially crafted x509 certificate can cause a buffer overflow on the heap resulting in remote code execution. To trigger this vulnerability, a specially crafted x509 certificate must be presented to the vulnerable client or server application when initiating secure connection.
Affected products
-
- Version 3.8.7bStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Inside Secure | MatrixSSL | n/a |
|
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:H/I:H/A:H
CVSS:3.0/AV:N/AC:H/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 v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.34% (0.02344) | 83.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.34% (0.02344) | 81.38th | v5 (v2026.06.15) |
| Feb 23, 2026 | 4.14% (0.04144) | 88.43th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.52% (0.05523) | 89.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.16% (0.08158) | 86.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.52% (0.05523) | 89.54th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.45% (0.01452) | 86.39th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.75% (0.02746) | 90.93th | v3 (v2023.03.01) |
| Jan 24, 2024 | 3.00% (0.02996) | 89.93th | v3 (v2023.03.01) |
| Sep 26, 2023 | 2.57% (0.02569) | 88.95th | v3 (v2023.03.01) |
| Sep 3, 2023 | 2.04% (0.02035) | 87.52th | v3 (v2023.03.01) |
| May 8, 2023 | 2.58% (0.02585) | 88.66th | v3 (v2023.03.01) |
| May 2, 2023 | 5.04% (0.05041) | 91.66th | v3 (v2023.03.01) |
| Apr 7, 2023 | 3.86% (0.03863) | 90.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.76% (0.02763) | 88.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02166) | 80.16th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.98% (0.01978) | 56.34th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.37% (0.01374) | 32.00th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.37% (0.01374) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/99249 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0276 x_refsource_MISCExploitThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99249 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://talosintelligence.com/vulnerability_reports/TALOS-2017-0276 | x_refsource_MISCExploitThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.