PyPI/py CVE-2020-29651: high 7.5, EPSS 4.54%

py vulnerable to Regular Expression Denial of Service

Action: Upgrade py to 1.10.0 or later.

pip install py==1.10.0

Affected

Fixed versions

Sources

• osv: GHSA-hj5v-574p-mj7c
• https://nvd.nist.gov/vuln/detail/CVE-2020-29651
• https://github.com/pytest-dev/py/issues/256
• https://github.com/pytest-dev/py/pull/257
• https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144
• https://github.com/advisories/GHSA-hj5v-574p-mj7c
• https://github.com/pypa/advisory-database/tree/main/vulns/py/PYSEC-2020-92.yaml
• https://github.com/pytest-dev/py
• https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AYWNYEV3FGDHPIHX4DDUDMFZ6NLCQRC4
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHDTINIBJZ67T3W74QTBIY5LPKAXEOGR
• https://www.oracle.com/security-alerts/cpujul2022.html

CVE-2020-29651 · published 2021-04-20T16:39:57Z · modified 2025-11-04T17:01:48.338149Z · JSON