Input validation error in Markdown-it-py - CVE-2023-26302
Published: August 18, 2023
Vulnerability identifier: #VU79691
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-26302
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of invalid UTF-8 characters. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Markdown-it-py
Fedora
python-markdown-it-py
Fedora
python-markdown-it-py
How to mitigate CVE-2023-26302
Install updates from vendor's website.
Markdown-it-py - update to 2.2.0
python-markdown-it-py - addressed in versions 2.2.0-1.fc37, 2.2.0-1.fc38, 2.2.0-1.fc39
python-markdown-it-py - addressed in versions 2.2.0-1.fc37, 2.2.0-1.fc38, 2.2.0-1.fc39