
CVE catalog
CVE-2017-12963
UBUNTU-CVE-2017-12963
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.23% · Oct 27, 2026
There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | libsass | 16.04 | 3.2.5-1 | vulnerable |
| Ubuntu | libsass | 16.04 | 3.2.5-2 | vulnerable |
| Ubuntu | libsass | 16.04 | 3.3.2-1 | vulnerable |
| Ubuntu | libsass | 16.04 | 3.3.4-1 | vulnerable |
| Ubuntu | libsass | pro | 3.4.3-1 | vulnerable |
| Ubuntu | libsass | pro | 3.4.6-1 | vulnerable |
| Ubuntu | libsass | pro | 3.4.8-1 | vulnerable |
| Ubuntu | libsass | pro | 3.4.8-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | libsass | 20.04 | 3.5.5-4 | vulnerable |
| Ubuntu | libsass | 20.04 | 3.6.3-1ubuntu1 | vulnerable |
| Ubuntu | libsass | 22.04 | 3.6.5-1ubuntu1 | vulnerable |
| Ubuntu | libsass | 24.04 | 3.6.5+20220909-1ubuntu1 | vulnerable |
| Ubuntu | libsass | 24.04 | 3.6.5+20231221-3 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: