CVE-2016-9954

Description

The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression with a repeating pattern.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.06% Top 20%
Third-Party Advisory openwall.com Third-Party Advisory securityfocus.com Third-Party Advisory redhat.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/12/15/8 third party advisory mailing list
https://github.com/ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1 third party advisory patch
http://www.securityfocus.com/bid/94942 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1413990 issue tracking vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-9954?
CVE-2016-9954 has been scored as a high severity vulnerability.
How to fix CVE-2016-9954?
To fix CVE-2016-9954, 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-2016-9954 being actively exploited in the wild?
It is possible that CVE-2016-9954 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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