CVE-2021-26813 - Vulnerability Details - OpenCVE

markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Markdown2 Project	Markdown2

Configuration 1 [-]

cpe:2.3:a:markdown2_project:markdown2:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

No data.

References

Link	Providers
https://github.com/trentm/python-markdown2/pull/387
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRP5RN35JZTSJ3JT4722F447ZDK7LZS5/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J752422YELXLMLZJPVJVKD2KKHHQRVEH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTIX5UXRDJZJ57DO4V33ZNJTNKWGBQLY/

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-03-03T15:17:41

Updated: 2024-08-03T20:33:41.236Z

Reserved: 2021-02-05T00:00:00

Link: CVE-2021-26813

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-03T16:15:13.197

Modified: 2024-11-21T05:56:51.310

Link: CVE-2021-26813

Redhat

No data.

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