CVE-2022-34749
High
Description
In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named catastrophic backtracking.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mistune
PublishedJul 25, 2022
First seenJul 25, 2022
How to fix
Update
- mistune2.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mistune_project mistune | v ≤ 2.0.2 | — |
| fedoraproject fedora | 37 | — |
| mistunePyPI | 2.0.0a1 ≤ v < 2.0.3 | 2.0.3 |
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