Bug 1671375 (CVE-2018-19797) - CVE-2018-19797 libsass: NULL pointer dereference in Sass::Selector_List::populate_extends function resulting in a denial of service
Summary: CVE-2018-19797 libsass: NULL pointer dereference in Sass::Selector_List::popu...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-19797
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1671395 1671396 1679608
Blocks: 1671393
TreeView+ depends on / blocked
 
Reported: 2019-01-31 13:59 UTC by Andrej Nemec
Modified: 2021-10-27 03:23 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-10-27 03:23:08 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2019-01-31 13:59:40 UTC 
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.

Upstream issue:

https://github.com/sass/libsass/issues/2779
Comment 1 Andrej Nemec 2019-01-31 14:16:27 UTC 
Created libsass tracking bugs for this issue:

Affects: epel-7 [bug 1671396]
Affects: fedora-all [bug 1671395]
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