Out-of-bounds Read Affecting libsass package, versions <3.5.5-3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN11-LIBSASS-525595
- published14 Jan 2019
- disclosed14 Jan 2019
Introduced: 14 Jan 2019
CVE-2019-6286 (opens in a new tab)How to fix?
Upgrade Debian:11 libsass to version 3.5.5-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libsass package and not the libsass package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.
References
- https://security-tracker.debian.org/tracker/CVE-2019-6286
- https://github.com/sass/libsass/issues/2815
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-6286