Upstream information

CVE-2021-26813 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1183171 [IN_PROGRESS]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP2
  • python2-markdown2 >= 2.4.0-bp152.2.4.1
  • python3-markdown2 >= 2.4.0-bp152.2.4.1
Patchnames:
openSUSE-2021-451
openSUSE Leap 15.2
  • python2-markdown2 >= 2.4.0-lp152.2.3.1
  • python3-markdown2 >= 2.4.0-lp152.2.3.1
Patchnames:
openSUSE-2021-429
openSUSE Tumbleweed
  • python36-markdown2 >= 2.4.0-2.4
  • python38-markdown2 >= 2.4.0-2.4
  • python39-markdown2 >= 2.4.0-2.4
Patchnames:
openSUSE Tumbleweed GA python36-markdown2-2.4.0-2.4