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redhatcveRedhat.comRH:CVE-2023-52426
HistoryFeb 06, 2024 - 12:00 a.m.

CVE-2023-52426

2024-02-0600:00:03
redhat.com
access.redhat.com
18
cve-2023-52426
expat
xml entity expansion
denial of service
compile time
system resources
mitigation
red hat
product security

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.2%

A flaw was found in Expat (libexpat). If XML_DTD is undefined at compile time, a recursive XML Entity Expansion condition can be triggered. This issue may lead to a condition where data is expanded exponentially, which will quickly consume system resources and cause a denial of service.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.2%