Bug 2175704 (CVE-2023-26303)

Summary:	CVE-2023-26303 markdown-it-py: Denial of service by forcing null assertions with specially crafted input
Product:	[Other] Security Response	Reporter:	Vipul Nair <vinair>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	adudiak, bcoca, cwelton, davidn, epacific, jcammara, jhardy, jneedle, jobarker, kshier, mabashia, simaishi, smcdonal, stcannon, teagle, tfister, yguenane, zsadeh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	markdown-it-py 2.2.0	Doc Type:	If docs needed, set a value
Doc Text:	A denial of service vulnerability exists in markdown-it-py.An attacker could craft a payload with null assertations as input resulting in a crash and availability of the component	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2175705, 2175706
Bug Blocks:	2172788

Description Vipul Nair 2023-03-06 11:33:54 UTC

CVE-2023-26303
Denial of service could be caused to markdown-it-py, before v2.2.0, if an attacker was allowed to force null assertions with specially crafted input.

https://github.com/executablebooks/markdown-it-py/commit/ae03c6107dfa18e648f6fdd1280f5b89092d5d49

Comment 1 Vipul Nair 2023-03-06 11:36:05 UTC

Created ansible-lint tracking bugs for this issue:

Affects: fedora-all [bug 2175705]


Created python-ansible-compat tracking bugs for this issue:

Affects: fedora-all [bug 2175706]