CVE-2019-18797
CVE-2019-18797 is a medium-severity vulnerability in Sass-lang Libsass with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-674
- Affected product: Sass-lang Libsass
- Published:
- Last modified:
Description
LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.
Frequently asked questions
- What is CVE-2019-18797?
- LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.
- How severe is CVE-2019-18797?
- CVE-2019-18797 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-18797 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-18797?
- CVE-2019-18797 affects Sass-lang Libsass. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-18797?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-18797 published?
- CVE-2019-18797 was published on 2019-11-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:sass-lang:libsass:*:*:*:*:*:*:*:*
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