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CVE-2016-9954

Published: 21 April 2017

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.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
chicken
Launchpad, Ubuntu, Debian
impish Not vulnerable

bionic Not vulnerable
(4.12.0-0.3)
kinetic Not vulnerable

lunar Not vulnerable

xenial Needed

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

jammy Not vulnerable

trusty Does not exist

upstream
Released (4.12.0-0.2)
mantic Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H