HIGH
In LibSass 3.4.5, there is a heap-based buffer over-read in the function json_mkstream() in sass_context.cpp
Published Jun 29, 2017
7.5
HIGHCVSS 3.0
EPSS 1.76%
Description
In LibSass 3.4.5, there is a heap-based buffer over-read in the function json_mkstream() in sass_context.cpp. A crafted input will lead to a remote denial of service attack.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
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.
1.76% 0.01758
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01758
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 | 1.76% (0.01758) | 77.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.76% (0.01758) | 74.98th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00157) | 52.56th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.16% (0.00157) | 51.56th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.14% (0.00145) | 49.35th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.13% (0.00131) | 46.85th | v3 (v2023.03.01) |
| May 9, 2023 | 0.20% (0.00197) | 56.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00182) | 53.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.65% (0.00651) | 18.22th | v1 |
| Jan 6, 2022 | 0.65% (0.00651) | 17.65th | v1 |
| Sep 1, 2021 | 0.65% (0.00651) | 45.91th | v1 |
| Apr 14, 2021 | 0.65% (0.00651) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://bugzilla.redhat.com/show_bug.cgi?id=1466411 x_refsource_MISCIssue Tracking
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1466411 | x_refsource_MISCIssue Tracking |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 29, 2017
Updated Sep 16, 2024
Reserved Jun 29, 2017
Link CVE-2017-10687
CISA Vulnrichment
Updated n/a