CVE-2018-19797
Publication date 3 December 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
Status
Package | Ubuntu Release | Status |
---|---|---|
libsass | 24.04 LTS noble |
Vulnerable
|
22.04 LTS jammy |
Vulnerable
|
|
20.04 LTS focal |
Vulnerable
|
|
18.04 LTS bionic |
Fixed 3.4.8-1ubuntu0.1~esm1
|
|
16.04 LTS xenial |
Vulnerable
|
|
14.04 LTS trusty | Not in release |
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Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 · Medium |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4837-1
- LibSass vulnerabilities
- 15 March 2021