CVE-2016-9954

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-399

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2016/12/15/8Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94942Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1413990Issue Tracking, Third Party Advisory, VDB Entry
https://github.com/ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/15/8Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94942Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1413990Issue Tracking, Third Party Advisory, VDB Entry
https://github.com/ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1Patch, Third Party Advisory

Timeline

Published: Apr 21, 2017
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2016

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