MEDIUM
Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file because the code does not ensure setup of a correct number of threads
Published May 10, 2017
5.5
MEDIUMCVSS 3.0
EPSS 0.92%
Description
Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file because the code does not ensure setup of a correct number of threads.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.92% 0.00925
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00925
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.92% (0.00925) | 59.01th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.92% (0.00925) | 58.89th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.07% (0.00066) | 29.44th | v3 (v2023.03.01) |
| May 10, 2024 | 0.07% (0.00066) | 28.33th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.06% (0.00057) | 22.34th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.05% (0.00054) | 19.57th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.05% (0.00049) | 15.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00115) | 43.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://openwall.com/lists/oss-security/2017/05/10/1 x_refsource_MISCMailing ListPatchThird Party Advisory
- https://github.com/dropbox/lepton/commit/82167c144a322cc956da45407f6dce8d4303d346 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://github.com/dropbox/lepton/issues/87 x_refsource_MISCIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://openwall.com/lists/oss-security/2017/05/10/1 | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| https://github.com/dropbox/lepton/commit/82167c144a322cc956da45407f6dce8d4303d346 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://github.com/dropbox/lepton/issues/87 | x_refsource_MISCIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 10, 2017
Updated Sep 17, 2024
Reserved May 10, 2017
Link CVE-2017-8891
CISA Vulnrichment
Updated n/a