CVE-2016-9954

HIGH

irregex < 0.9.5 - Denial of Service via Crafted Regular Expression

Title source: llm
STIX 2.1

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 (4)

Core 4
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/12/15/8
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94942
Issue Tracking, Third Party Advisory, VDB Entry x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1413990

Scores

CVSS v3 7.5
EPSS 0.0240
EPSS Percentile 82.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-399
Status published
Products (1)
irregex_project/irregex < 0.9.5
Published Apr 21, 2017
Tracked Since Feb 18, 2026