cve.bz

CVE-2022-34749

7.5 highEPSS 1.6%

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE
CWE-1333
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-fw3v-x4f2-v673PyPImistune>=2.0.0a1 <2.0.32.0.3
PYSEC-2022-237PyPImistune>=2.0.0a1 <2.0.32.0.3

References

Check your stackJSON