executablebooks/markdown-it-py · Security
markdown-it-py Denial of Service vulnerability
- GHSA ID
- GHSA-vrjv-mxr7-vjf8
- CVE ID
- CVE-2023-26303
- Severity
- high
- Published
- Updated
- CVSS
- 5.5 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 5.5 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS v4
- 7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
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.
CWEs
- CWE-173 · Improper Handling of Alternate Encoding
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-26303 ↗
- https://github.com/executablebooks/markdown-it-py/commit/ae03c6107dfa18e648f6fdd1280f5b89092d5d49 ↗
- https://github.com/executablebooks/markdown-it-py/pull/246 ↗
- https://github.com/executablebooks/markdown-it-py/commit/53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/markdown-it-py/PYSEC-2023-24.yaml ↗
- https://github.com/advisories/GHSA-vrjv-mxr7-vjf8 ↗