CVE-2018-19797
UnknownEPSS 1.83%
Last modified
CVE-2018-19797 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sass-Lang | Libsass | 3.5.5 |
References
- https://github.com/sass/libsass/issues/2779Patch, Third Party Advisory
- https://github.com/sass/libsass/issues/2779Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-19797?
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.
How severe is CVE-2018-19797?
Severity scoring for CVE-2018-19797 is pending analysis. The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19797?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2018-19797?
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Scan your code nowSource: NVD / NIST