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. Reference: https://github.com/pytest-dev/py/issues/256 Upstream patch: https://github.com/pytest-dev/py/pull/257
Created python-py tracking bugs for this issue: Affects: fedora-all [bug 1906453]
External References: https://github.com/pytest-dev/py/issues/256
Upstream fixed version is not released yet, but the patch is already merged with master branch: https://github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144
Upstream PR: https://github.com/earthgecko/skyline/pull/381
Statement: In Red Hat OpenStack Platform, because the flaw has a lower impact and the fix would require a substantial amount of development, no update will be provided at this time for the RHOSP python-py package.