Detections
Analytics

CVE-2016-9954

high

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.

References

https://github.com/ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1

https://bugzilla.redhat.com/show_bug.cgi?id=1413990

http://www.securityfocus.com/bid/94942

http://www.openwall.com/lists/oss-security/2016/12/15/8

https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-10741

Details

Source: Mitre, NVD

Published: 2017-04-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.02062