| Name | CVE-2020-29651 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3966-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pypy (PTS) | jessie | 2.4.0+dfsg-3 | vulnerable |
| pypy3 (PTS) | bullseye | 7.3.5+dfsg-2+deb11u2 | vulnerable |
| bullseye (security) | 7.3.5+dfsg-2+deb11u4 | fixed |
| python-py (PTS) | stretch | 1.4.32-3 | vulnerable |
| buster | 1.7.0-2 | vulnerable |
| bullseye | 1.10.0-1 | fixed |
| bookworm | 1.11.0-1 | fixed |
| sid, trixie | 1.11.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pypy | source | jessie | (unfixed) | end-of-life | | |
| pypy3 | source | bullseye | 7.3.5+dfsg-2+deb11u4 | | DLA-3966-1 | |
| python-py | source | (unstable) | 1.10.0-1 | | | |
Notes
[buster] - python-py <no-dsa> (Minor issue)
[stretch] - python-py <postponed> (Minor issue)
https://github.com/pytest-dev/py/issues/256
https://github.com/pytest-dev/py/pull/257
https://github.com/pytest-dev/py/commit/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144