MEDIUM
libsass: illegal address access at Sass::Parser::parse_css_variable_value_token
Published Nov 12, 2018
6.5
MEDIUMCVSS 3.0
EPSS 1.16%
Description
In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS 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.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
3.3 LOW Red Hat
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
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.
1.16% 0.01156
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01156
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.16% (0.01156) | 65.86th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.16% (0.01156) | 65.61th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00081) | 35.05th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.08% (0.00081) | 34.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00081) | 32.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
Weaknesses (2)
References (5)
- https://access.redhat.com/security/cve/CVE-2018-19218 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1643758 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1652070 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-19218
- https://www.cve.org/CVERecord?id=CVE-2018-19218
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-19218 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1643758 | x_refsource_MISCExploitIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1652070 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-19218 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-19218 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 12, 2018
Updated Aug 5, 2024
Reserved Nov 12, 2018
Link CVE-2018-19218
CISA Vulnrichment
Updated n/a