CVE-2023-28626

2023-03-2821:15:11

Google

osv.dev

comrak

markdown parser

quadratic parsing issues

denial-of-service attacks

upgrade

version 0.17.0

vulnerability

ghsl-2023-047

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

JSON

comrak is a CommonMark + GFM compatible Markdown parser and renderer written in rust. A range of quadratic parsing issues are present in Comrak. These can be used to craft denial-of-service attacks on services that use Comrak to parse Markdown. This issue has been addressed in version 0.17.0. Users are advised to upgrade. There are no known workarounds for this vulnerability. This issue is also tracked as GHSL-2023-047

CPENameOperatorVersion
comrakeq0.1.9
comrakeq0.14.0
comrakeq0.10.0
comrakeq0.6.2
comrakeq0.4.1
comrakeq0.2.3
comrakeq0.6.0
comrakeq0.1.6
comrakeq0.10.1-rc.1
comrakeq0.1.8