CVE-2017-12963

Description

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).

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.40%
Third-Party Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1482335 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2017-12963?
CVE-2017-12963 has been scored as a high severity vulnerability.
How to fix CVE-2017-12963?
To fix CVE-2017-12963, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12963 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12963 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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