MEDIUM
The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed JPEG image
Published Apr 5, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.20%
Description
The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a malformed JPEG image.
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.
1.20% 0.01204
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01204
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.20% (0.01204) | 67.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.20% (0.01204) | 64.16th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00284) | 49.77th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.43% (0.00426) | 74.57th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00426) | 73.66th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.43% (0.00426) | 71.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00258) | 61.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://www.securityfocus.com/bid/97490 vdb-entryx_refsource_BID
- https://github.com/dropbox/lepton/commit/7789d99ac156adfd7bbf66e7824bd3e948a74cf7 x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/dropbox/lepton/issues/86 x_refsource_CONFIRMExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/97490 | vdb-entryx_refsource_BID | |
| https://github.com/dropbox/lepton/commit/7789d99ac156adfd7bbf66e7824bd3e948a74cf7 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://github.com/dropbox/lepton/issues/86 | x_refsource_CONFIRMExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 5, 2017
Updated Aug 5, 2024
Reserved Apr 5, 2017
Link CVE-2017-7448
CISA Vulnrichment
Updated n/a