A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault
Published Aug 29, 2018
7.5
HIGHCVSS 3.0
EPSS 7.50%
Description
A carefully crafted invalid TLS handshake can cause Apache Traffic Server (ATS) to segfault. This affects version 6.2.2. To resolve this issue users running 6.2.2 should upgrade to 6.2.3 or later versions.
Affected products
-
- Version 6.2.2StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server | n/a |
|
- ≥ 6.0.0 · ≤ 6.2.2
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 v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 7.50% (0.07496) | 94.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.50% (0.07496) | 93.68th | v5 (v2026.06.15) |
| Dec 28, 2025 | 6.14% (0.06136) | 90.49th | v4 (v2025.03.14) |
| Dec 27, 2025 | 5.01% (0.05008) | 89.42th | v4 (v2025.03.14) |
| Jul 30, 2025 | 6.70% (0.06698) | 90.86th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.03% (0.08032) | 91.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.96% (0.06961) | 85.39th | v4 (v2025.03.14) |
| Mar 17, 2025 | 8.03% (0.08032) | 91.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00161) | 54.01th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.16% (0.00161) | 52.76th | v3 (v2023.03.01) |
| Apr 16, 2024 | 0.23% (0.00228) | 60.63th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.24% (0.00244) | 63.59th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00298) | 68.60th | v3 (v2023.03.01) |
| Jan 20, 2024 | 0.30% (0.00298) | 66.27th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.36% (0.00364) | 69.25th | v3 (v2023.03.01) |
| Sep 27, 2023 | 0.40% (0.00404) | 70.60th | v3 (v2023.03.01) |
| Jul 5, 2023 | 0.57% (0.00573) | 74.89th | v3 (v2023.03.01) |
| May 8, 2023 | 0.61% (0.00609) | 75.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.52% (0.00515) | 73.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.46% (0.02463) | 54.82th | v1 |
| Jan 6, 2022 | 2.46% (0.02463) | 54.38th | v1 |
| Sep 1, 2021 | 2.46% (0.02463) | 78.49th | v1 |
| Apr 14, 2021 | 2.46% (0.02463) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/105183 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/apache/trafficserver/pull/2147 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.apache.org/thread.html/ce404d2fe16cc59085ece5a6236ccd1549def471a2a9508198d966b1%40%3Cusers.trafficserver.apache.org%3E mailing-listx_refsource_MLIST
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105183 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/apache/trafficserver/pull/2147 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://lists.apache.org/thread.html/ce404d2fe16cc59085ece5a6236ccd1549def471a2a9508198d966b1%40%3Cusers.trafficserver.apache.org%3E | mailing-listx_refsource_MLIST |
Change history (0)
No recorded changes yet.