CRITICAL
A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact
Published May 26, 2018
9.8
CRITICALCVSS 3.0
EPSS 3.94%
Description
A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.94% 0.03944
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03944
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (43 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.94% (0.03944) | 90.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.01% (0.04006) | 89.17th | v5 (v2026.06.15) |
| Dec 1, 2025 | 2.48% (0.02478) | 84.85th | v4 (v2025.03.14) |
| Nov 21, 2025 | 4.12% (0.04119) | 88.13th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.84% (0.01835) | 81.45th | v4 (v2025.03.14) |
| Nov 4, 2025 | 4.12% (0.04119) | 88.11th | v4 (v2025.03.14) |
| Nov 1, 2025 | 2.48% (0.02478) | 84.80th | v4 (v2025.03.14) |
| Oct 19, 2025 | 4.12% (0.04119) | 88.08th | v4 (v2025.03.14) |
| Oct 4, 2025 | 3.08% (0.03075) | 86.24th | v4 (v2025.03.14) |
| Oct 1, 2025 | 1.84% (0.01839) | 82.36th | v4 (v2025.03.14) |
| Sep 5, 2025 | 3.16% (0.03158) | 86.41th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.84% (0.01839) | 82.32th | v4 (v2025.03.14) |
| Aug 4, 2025 | 3.08% (0.03075) | 86.25th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.84% (0.01839) | 82.29th | v4 (v2025.03.14) |
| Jul 5, 2025 | 3.08% (0.03075) | 86.18th | v4 (v2025.03.14) |
| Jul 1, 2025 | 1.84% (0.01839) | 82.19th | v4 (v2025.03.14) |
| Jun 4, 2025 | 3.08% (0.03075) | 86.12th | v4 (v2025.03.14) |
| Jun 1, 2025 | 1.84% (0.01839) | 82.12th | v4 (v2025.03.14) |
| May 5, 2025 | 3.08% (0.03075) | 86.01th | v4 (v2025.03.14) |
| May 1, 2025 | 1.84% (0.01839) | 82.04th | v4 (v2025.03.14) |
| Apr 19, 2025 | 3.08% (0.03075) | 86.03th | v4 (v2025.03.14) |
| Apr 18, 2025 | 1.84% (0.01839) | 81.96th | v4 (v2025.03.14) |
| Apr 15, 2025 | 3.08% (0.03075) | 85.98th | v4 (v2025.03.14) |
| Apr 14, 2025 | 1.84% (0.01839) | 81.45th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.08% (0.03075) | 85.56th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.71% (0.19705) | 92.54th | v4 (v2025.03.14) |
| Mar 24, 2025 | 3.08% (0.03075) | 85.54th | v4 (v2025.03.14) |
| Mar 23, 2025 | 1.84% (0.01839) | 79.50th | v4 (v2025.03.14) |
| Mar 20, 2025 | 3.19% (0.03191) | 85.91th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.32% (0.00321) | 70.92th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00321) | 69.82th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.32% (0.00321) | 66.56th | v3 (v2023.03.01) |
| May 20, 2023 | 0.23% (0.00227) | 59.50th | v3 (v2023.03.01) |
| May 8, 2023 | 0.27% (0.00266) | 62.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00377) | 68.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.29% (0.01294) | 30.79th | v1 |
| Jan 6, 2022 | 1.29% (0.01294) | 30.15th | v1 |
| Sep 1, 2021 | 1.29% (0.01294) | 69.02th | v1 |
| Apr 14, 2021 | 1.29% (0.01294) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html vendor-advisoryx_refsource_SUSE
- https://github.com/sass/libsass/issues/2643 x_refsource_MISCIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html | vendor-advisoryx_refsource_SUSE | |
| https://github.com/sass/libsass/issues/2643 | x_refsource_MISCIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 26, 2018
Updated Aug 5, 2024
Reserved May 26, 2018
Link CVE-2018-11499
CISA Vulnrichment
Updated n/a