A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3966-1 pypy3 security update
EUVD EUVD EUVD-2020-0152 A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.
Github GHSA Github GHSA GHSA-hj5v-574p-mj7c py vulnerable to Regular Expression Denial of Service
Ubuntu USN Ubuntu USN USN-5138-1 python-py vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 03 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00848}

epss

{'score': 0.00781}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-03T21:44:20.561Z

Reserved: 2020-12-09T00:00:00.000Z

Link: CVE-2020-29651

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-09T07:15:12.533

Modified: 2025-11-03T22:15:46.663

Link: CVE-2020-29651

cve-icon Redhat

Severity : Low

Publid Date: 2020-09-03T00:00:00Z

Links: CVE-2020-29651 - Bugzilla

cve-icon OpenCVE Enrichment

No data.