CRITICAL
samtools htslib library version 1.4.0 and earlier is vulnerable to buffer overflow in the CRAM rANS codec resulting in potential arbitrary code execution
Published Nov 17, 2017
9.8
CRITICALCVSS 3.0
EPSS 1.95%
Description
samtools htslib library version 1.4.0 and earlier is vulnerable to buffer overflow in the CRAM rANS codec resulting in potential arbitrary code execution
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/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
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.
1.95% 0.01954
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.01954
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 (17 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 1.95% (0.01954) | 79.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.95% (0.01954) | 77.58th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.29% (0.00293) | 69.52th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.29% (0.00293) | 68.83th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.32% (0.00315) | 69.65th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00280) | 67.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00453) | 71.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.60% (0.01599) | 75.52th | v2 (v2022.01.01) |
| Dec 17, 2022 | 1.60% (0.01599) | 74.97th | v2 (v2022.01.01) |
| Oct 13, 2022 | 1.30% (0.01298) | 67.58th | v2 (v2022.01.01) |
| Aug 14, 2022 | 1.19% (0.01190) | 60.18th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.09% (0.01086) | 49.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.09% (0.01086) | 28.42th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.73% (0.00731) | 20.40th | v1 |
| Jan 6, 2022 | 0.73% (0.00731) | 19.82th | v1 |
| Sep 1, 2021 | 0.73% (0.00731) | 49.19th | v1 |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://github.com/samtools/htslib/blob/1.4.1/NEWS x_refsource_CONFIRMRelease NotesThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/samtools/htslib/blob/1.4.1/NEWS | x_refsource_CONFIRMRelease NotesThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 17, 2017
Updated Sep 17, 2024
Reserved Nov 17, 2017
Link CVE-2017-1000206
CISA Vulnrichment
Updated n/a