CVE-2016-9643

Description

The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.49% Top 20%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1038137 vdb entry
http://www.openwall.com/lists/oss-security/2016/11/26/5 third party advisory mailing list
https://security.gentoo.org/glsa/201706-15 vendor advisory
http://www.openwall.com/lists/oss-security/2016/11/26/2 third party advisory mailing list
http://www.securityfocus.com/bid/94559 vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-9643?
CVE-2016-9643 has been scored as a high severity vulnerability.
How to fix CVE-2016-9643?
To fix CVE-2016-9643, 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-2016-9643 being actively exploited in the wild?
It is possible that CVE-2016-9643 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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