cve.bz

CVE-2021-42771

7.8 highEPSS 0.8%

High (7.8). EPSS 0.8% chance of exploitation in the next 30 days. Fixed in babel 2.9.1.

Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal, leading to code execution.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-h4m5-qpfp-3mpvPyPIbabel<2.9.12.9.1
PYSEC-2021-421PyPIbabel<2.9.12.9.1

References

Check your stackJSON