OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value
Published Dec 6, 2017
7.5
HIGHCVSS 3.0
EPSS 3.05%
Description
OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
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:C
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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.05% (0.03053) | 87.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.05% (0.03053) | 85.81th | v5 (v2026.06.15) |
| Jul 20, 2024 | 1.01% (0.01011) | 83.88th | v3 (v2023.03.01) |
| May 18, 2024 | 1.01% (0.01011) | 83.64th | v3 (v2023.03.01) |
| Jul 1, 2023 | 1.01% (0.01011) | 81.64th | v3 (v2023.03.01) |
| May 8, 2023 | 0.78% (0.00782) | 78.81th | v3 (v2023.03.01) |
| Apr 28, 2023 | 0.60% (0.00595) | 75.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.59% (0.00590) | 74.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.62% (0.01623) | 33.90th | v1 |
| Jan 6, 2022 | 1.62% (0.01623) | 33.20th | v1 |
| Sep 1, 2021 | 1.62% (0.01623) | 73.32th | v1 |
| Apr 14, 2021 | 1.62% (0.01623) | 0.00th | v1 |
References (4)
- https://bugs.debian.org/883602 x_refsource_CONFIRMIssue TrackingMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html mailing-listx_refsource_MLIST
- https://www.debian.org/security/2017/dsa-4067 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.debian.org/883602 | x_refsource_CONFIRMIssue TrackingMailing ListThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html | mailing-listx_refsource_MLIST | |
| https://www.debian.org/security/2017/dsa-4067 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.