CRITICAL
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4)
Published Aug 9, 2019
9.8
CRITICALCVSS 3.1
EPSS 75.08%
Description
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.
Affected products
No data.
Configuration 2
- ≥ 8.00 · ≤ 8.40.50.00
Configuration 3
OR
- ≥ 5.9.0.0 · ≤ 5.9.0.7
- ≥ 5.9.1.0. · ≤ 5.9.1.12
- ≥ 6.2.0.0 · ≤ 6.2.3.1
- ≥ 6.2.4.0 · ≤ 6.2.4.3
- ≥ 6.2.5.0 · ≤ 6.2.5.3
- ≥ 6.2.6.0 · ≤ 6.2.6.1
- ≥ 6.2.7.0 · ≤ 6.2.7.4
- ≥ 6.2.9.0 · ≤ 6.2.9.2
- ≥ 6.5.0.0 · ≤ 6.5.0.3
- ≥ 6.5.1.0 · ≤ 6.5.1.4
- ≥ 6.5.2.0 · ≤ 6.5.2.3
- ≥ 6.5.3.0 · ≤ 6.5.3.3
- ≥ 6.5.4.0. · ≤ 6.5.4.3
- 6.2.7.0
- 6.2.7.1
- 6.2.7.7
Configuration 4
AND
- < 7.91
Running on/with
- n/a
Configuration 5
AND
- n/a
Running on/with
- n/a
Configuration 6
AND
- n/a
Running on/with
- n/a
Configuration 7
AND
- < 2.2.1
Running on/with
- n/a
Configuration 8
AND
- n/a
Running on/with
- n/a
Configuration 9
AND
- < bs5.2.461.17
Running on/with
- n/a
Configuration 10
AND
- < bs5.2.461.17
Running on/with
- n/a
Configuration 11
AND
- < bs5.2.461.17
Running on/with
- n/a
Configuration 12
AND
- < bs5.2.461.17
Running on/with
- n/a
Configuration 13
AND
- ≤ 07.0.07
Running on/with
OR
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 14
AND
- ≤ 07.5.01
Running on/with
OR
- n/a
- n/a
Configuration 15
AND
- ≤ 07.2.04
Running on/with
OR
- n/a
- n/a
Configuration 16
AND
- ≤ 05.3.06
Running on/with
OR
- n/a
- n/a
- n/a
Configuration 17
AND
- ≤ 1.0.1_y7
Running on/with
- 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.
9.8 CRITICAL NVD
CVSS:3.1/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
No CVSS v3.0 score for this CVE.
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.
75.08% 0.75081
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.75081
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 (50 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 75.08% (0.75081) | 99.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 75.25% (0.75250) | 99.45th | v5 (v2026.06.15) |
| May 28, 2026 | 82.22% (0.82215) | 99.23th | v4 (v2025.03.14) |
| May 15, 2026 | 80.15% (0.80153) | 99.13th | v4 (v2025.03.14) |
| Apr 27, 2026 | 82.38% (0.82379) | 99.23th | v4 (v2025.03.14) |
| Mar 24, 2026 | 79.55% (0.79549) | 99.07th | v4 (v2025.03.14) |
| Jan 17, 2026 | 76.86% (0.76859) | 98.91th | v4 (v2025.03.14) |
| Nov 21, 2025 | 80.15% (0.80153) | 99.06th | v4 (v2025.03.14) |
| Nov 18, 2025 | 90.83% (0.90830) | 99.70th | v4 (v2025.03.14) |
| Oct 15, 2025 | 80.15% (0.80153) | 99.07th | v4 (v2025.03.14) |
| Sep 16, 2025 | 82.38% (0.82379) | 99.18th | v4 (v2025.03.14) |
| Aug 8, 2025 | 80.15% (0.80153) | 99.07th | v4 (v2025.03.14) |
| Jun 24, 2025 | 83.08% (0.83080) | 99.19th | v4 (v2025.03.14) |
| Jun 16, 2025 | 80.97% (0.80974) | 99.09th | v4 (v2025.03.14) |
| Jun 5, 2025 | 82.38% (0.82379) | 99.17th | v4 (v2025.03.14) |
| May 2, 2025 | 79.55% (0.79549) | 99.02th | v4 (v2025.03.14) |
| Mar 30, 2025 | 76.86% (0.76859) | 98.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 78.91% (0.78911) | 98.78th | v4 (v2025.03.14) |
| Mar 28, 2025 | 80.15% (0.80153) | 99.06th | v4 (v2025.03.14) |
| Mar 27, 2025 | 81.85% (0.81853) | 99.12th | v4 (v2025.03.14) |
| Mar 20, 2025 | 80.15% (0.80153) | 99.10th | v4 (v2025.03.14) |
| Mar 19, 2025 | 81.85% (0.81853) | 99.15th | v4 (v2025.03.14) |
| Mar 17, 2025 | 80.15% (0.80153) | 99.06th | v4 (v2025.03.14) |
| Dec 30, 2024 | 56.25% (0.56254) | 97.81th | v3 (v2023.03.01) |
| Dec 17, 2024 | 63.66% (0.63664) | 98.00th | v3 (v2023.03.01) |
| Nov 17, 2024 | 83.40% (0.83399) | 98.55th | v3 (v2023.03.01) |
| Sep 25, 2024 | 86.25% (0.86249) | 98.63th | v3 (v2023.03.01) |
| Aug 20, 2024 | 90.07% (0.90067) | 98.86th | v3 (v2023.03.01) |
| Jul 18, 2024 | 91.24% (0.91238) | 98.91th | v3 (v2023.03.01) |
| Jun 30, 2024 | 92.58% (0.92578) | 99.02th | v3 (v2023.03.01) |
| Apr 25, 2024 | 93.68% (0.93678) | 99.08th | v3 (v2023.03.01) |
| Apr 5, 2024 | 94.04% (0.94036) | 99.11th | v3 (v2023.03.01) |
| Dec 3, 2023 | 94.12% (0.94115) | 98.95th | v3 (v2023.03.01) |
| Nov 18, 2023 | 94.20% (0.94198) | 98.96th | v3 (v2023.03.01) |
| Nov 8, 2023 | 94.89% (0.94891) | 99.08th | v3 (v2023.03.01) |
| Oct 19, 2023 | 95.38% (0.95379) | 99.13th | v3 (v2023.03.01) |
| Oct 4, 2023 | 95.80% (0.95799) | 99.23th | v3 (v2023.03.01) |
| Jul 16, 2023 | 96.05% (0.96052) | 99.23th | v3 (v2023.03.01) |
| Jul 8, 2023 | 96.36% (0.96364) | 99.32th | v3 (v2023.03.01) |
| May 8, 2023 | 95.34% (0.95339) | 98.98th | v3 (v2023.03.01) |
| Apr 26, 2023 | 96.36% (0.96364) | 99.26th | v3 (v2023.03.01) |
| Apr 8, 2023 | 96.47% (0.96475) | 99.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.54% (0.96542) | 99.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 31.18% (0.31184) | 97.56th | v2 (v2022.01.01) |
| Apr 1, 2022 | 31.18% (0.31184) | 97.42th | v2 (v2022.01.01) |
| Feb 4, 2022 | 55.37% (0.55366) | 98.47th | v2 (v2022.01.01) |
| Feb 3, 2022 | 10.22% (0.10225) | 87.52th | v1 |
| Jan 6, 2022 | 10.22% (0.10225) | 87.37th | v1 |
| Sep 1, 2021 | 10.22% (0.10225) | 95.04th | v1 |
| Apr 14, 2021 | 10.22% (0.10225) | 0.00th | v1 |
Weaknesses (1)
References (11)
- http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf x_refsource_CONFIRMThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf x_refsource_CONFIRMThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf x_refsource_CONFIRMThird Party Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009 x_refsource_CONFIRMThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190802-0001/ x_refsource_CONFIRMThird Party Advisory
- https://support.f5.com/csp/article/K41190253 x_refsource_CONFIRMThird Party Advisory
- https://support.f5.com/csp/article/K41190253?utm_source=f5support&%3Butm_medium=RSS x_refsource_CONFIRM
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255 x_refsource_MISCVendor Advisory
- https://support2.windriver.com/index.php?page=security-notices x_refsource_MISCIssue TrackingVendor Advisory
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/ x_refsource_CONFIRMVendor Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 9, 2019
Updated Aug 4, 2024
Reserved May 21, 2019
Link CVE-2019-12255
CISA Vulnrichment
Updated n/a