CVE-2023-26303
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.1.0-5 |
| sid | Fixed | 2.1.0-5 |
| forky | Fixed | 2.1.0-5 |
| bookworm | Fixed | 2.1.0-5 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | markdown-it-py | <2.2.0 | 2.2.0 |
| PyPI | markdown-it-py | <ae03c6107dfa18e648f6fdd1280f5b89092d5d49||<2.2.0 | ae03c6107dfa18e648f6fdd1280f5b89092d5d49 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-26303
- https://github.com/executablebooks/markdown-it-py/pull/246
- https://github.com/executablebooks/markdown-it-py/commit/53ca3e9c2b9e9b295f6abf7f4ad2730a9b70f68c
- https://github.com/executablebooks/markdown-it-py/commit/ae03c6107dfa18e648f6fdd1280f5b89092d5d49
- https://github.com/executablebooks/markdown-it-py
- https://github.com/pypa/advisory-database/tree/main/vulns/markdown-it-py/PYSEC-2023-24.yaml
- https://www.suse.com/security/cve/CVE-2023-26303.html
- https://security-tracker.debian.org/tracker/CVE-2023-26303
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.