CVE-2019-20477
2 advisories.
PyPI/pyyaml CVE-2019-20477: critical 9.8
Deserialization of Untrusted Data in PyYAML
Action: Upgrade pyyaml to 5.2 or later.
pip install pyyaml==5.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.1 | 5.2 | - |
Fixed versions
| 5.2 |
Sources
- osv: GHSA-3pqx-4fqf-j49f
- https://nvd.nist.gov/vuln/detail/CVE-2019-20477
- https://github.com/advisories/GHSA-3pqx-4fqf-j49f
- https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2020-176.yaml
- https://github.com/yaml/pyyaml
- https://github.com/yaml/pyyaml/blob/master/CHANGES
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H
- https://www.exploit-db.com/download/47655
CVE-2019-20477 · published · modified · JSON
PyPI/pyyaml CVE-2019-20477: unknown
PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue ex
Action: Upgrade pyyaml to 5.2b1 or later.
pip install pyyaml==5.2b1Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.1 | 5.2b1 | - |
Fixed versions
| 5.2b1 |
Sources
- osv: PYSEC-2020-176
- https://www.exploit-db.com/download/47655
- https://github.com/yaml/pyyaml/blob/master/CHANGES
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/52N5XS73Z5S4ZN7I7R56ICCPCTKCUV4H/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/33VBUY73AA6CTTYL3LRWHNFDULV7PFPN/
- https://github.com/advisories/GHSA-3pqx-4fqf-j49f
CVE-2019-20477 · published · modified · JSON