id: PYSEC-2023-24
details: 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.
affected:
- package:
    name: markdown-it-py
    ecosystem: PyPI
    purl: pkg:pypi/markdown-it-py
  ranges:
  - type: GIT
    repo: https://github.com/executablebooks/markdown-it-py
    events:
    - introduced: "0"
    - fixed: ae03c6107dfa18e648f6fdd1280f5b89092d5d49
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 2.2.0
  versions:
  - 0.1.0
  - 0.1.1
  - 0.2.0
  - 0.2.1
  - 0.2.2
  - 0.2.3
  - 0.3.0
  - 0.3.1
  - 0.3.2
  - 0.3.3
  - 0.4.0
  - 0.4.1
  - 0.4.2
  - 0.4.3
  - 0.4.4
  - 0.4.5
  - 0.4.6
  - 0.4.7
  - 0.4.8
  - 0.4.9
  - 0.5.0
  - 0.5.1
  - 0.5.2
  - 0.5.3
  - 0.5.4
  - 0.5.5
  - 0.5.6
  - 0.5.7
  - 0.5.8
  - 0.6.0
  - 0.6.1
  - 0.6.2
  - 1.0.0
  - 1.0.0b1
  - 1.0.0b2
  - 1.0.0b3
  - 1.1.0
  - 2.0.0
  - 2.0.1
  - 2.1.0
references:
- type: FIX
  url: 
    https://github.com/executablebooks/markdown-it-py/commit/ae03c6107dfa18e648f6fdd1280f5b89092d5d49
- type: ADVISORY
  url: https://github.com/advisories/GHSA-vrjv-mxr7-vjf8
aliases:
- CVE-2023-26303
- GHSA-vrjv-mxr7-vjf8
modified: "2023-05-04T03:49:46.302314Z"
published: "2023-02-23T00:15:00Z"