HIGH
There is a stack consumption issue in LibSass 3.4.5 that is triggered in the function Sass::Eval::operator() in eval.cpp
Published Aug 18, 2017
7.5
HIGHCVSS 3.0
EPSS 1.84%
Description
There is a stack consumption issue in LibSass 3.4.5 that is triggered in the function Sass::Eval::operator() in eval.cpp. It 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
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.84% 0.01836
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01836
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 | 1.84% (0.01836) | 78.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.84% (0.01836) | 76.09th | 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) |
| Jun 28, 2023 | 0.20% (0.00197) | 56.35th | 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=1482397 x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1482397 | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 18, 2017
Updated Sep 16, 2024
Reserved Aug 18, 2017
Link CVE-2017-12964
CISA Vulnrichment
Updated n/a