Out-of-bounds Read in Sass-Lang Libsass
CVE-2018-19839
In LibSass prior to 3.5.5, the function handle_error in sass_context.cpp allows attackers to cause a denial-of-service resulting from a heap-based buffer over-read via a crafted sass file.
Vulnerability class: Buffer Overflow
EPSS: 0.022 (80.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Sass-lang Libsass
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-19839?
- CVE-2018-19839 is a medium-severity vulnerability in Sass-Lang Libsass, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-12-04.
- How severe is CVE-2018-19839?
- Medium severity. CVSS v3 base score is 6.5 out of 10.