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redhatcveRedhat.comRH:CVE-2022-40896
HistoryNov 27, 2023 - 11:58 a.m.

CVE-2022-40896

2023-11-2711:58:15
redhat.com
access.redhat.com
10
cve-2022-40896
pygments
denial-of-service
vulnerability
smithy.py
regular expressions
exploitation
request
mitigation
red hat
product security

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

21.6%

A denial-of-service vulnerability related to regular expressions was discovered in Pygments, specifically in the file pygments/lexers/smithy.py. An attacker could exploit this flaw by sending a carefully crafted request, leading to a denial-of-service situation.

Mitigation

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.4

Confidence

High

EPSS

0.001

Percentile

21.6%