WS-2022-0093
Published:May 14, 2026
Updated:May 14, 2026
commonmarker versions prior to 0.23.4 are vulnerable to heap memory corruption when parsing tables whose marker rows contain more than UINT16_MAX columns.
The impact of this heap corruption ranges from Information Leak to Arbitrary Code Execution.
Affected Packages
rb-commonmarker (CONDA):
Affected version(s) >=0.17.13 <=0.20.2Fix Suggestion:
Update to version no_fixcommonmarker (RUBY):
Affected version(s) >=0.0.1 <0.23.4Fix Suggestion:
Update to version 0.23.4comrak (RUST):
Affected version(s) >=0.2.4 <0.2.6Fix Suggestion:
Update to version 0.2.6comrak (RUST):
Affected version(s) >=0.2.7 <0.6.2Fix Suggestion:
Update to version 0.6.2cmark-gfm-sys (RUST):
Affected version(s) >=0.1.0 <=0.29.0Fix Suggestion:
Update to version no_fixRelated Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH