CVE-2020-29651: fedoraproject fedora
Vulnerability summary
CVE-2020-29651 is a high (CVSS 7.5) vulnerability in fedoraproject fedora. EPSS estimates a 4.66% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 09-12-2020PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 3 versions- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
4.66%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.66% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse27 products
- python-apipkg&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 1.4-150000.3.2.1
- python-apipkg&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 1.4-150000.3.2.1
- python-apipkg&distro=SUSE Linux Enterprise Module for Python 2 15 SP3< 1.4-150000.3.2.1
- python-atomicwrites&distro=SUSE Linux Enterprise Module for Package Hub 15 SP3< 1.1.5-150000.3.2.1
- python-atomicwrites&distro=SUSE Linux Enterprise Module for Package Hub 15 SP4< 1.1.5-150000.3.2.1
Opensuse17 products
- python-apipkg&distro=openSUSE Leap 15.3< 1.4-150000.3.2.1
- python-apipkg&distro=openSUSE Leap 15.4< 1.4-150000.3.2.1
- python-atomicwrites-doc&distro=openSUSE Leap 15.3< 1.1.5-150000.3.2.1
- python-atomicwrites-doc&distro=openSUSE Leap 15.4< 1.1.5-150000.3.2.1
- python-atomicwrites&distro=openSUSE Leap 15.3< 1.1.5-150000.3.2.1
Debian1 product
- python-py< 1.10.0-1
Fedoraproject1 product
- fedoraEOL32 | 33
Mageia1 product
- python-py< 1.8.0-1.1.mga7
Oracle1 product
PyPI1 product
- py< 1.10.0
Pytest1 product
- py≤ 1.9.0
Ubuntu1 product
- python-pyAll versions (No fix recorded) | < 1.5.2-1ubuntu0.1 | < 1.8.1-1ubuntu0.1
9 vendors · 51 products
References
34 links- github.com/pytest-dev/py/pull/257/commits/4a9017dc6199d2a564b6e4b0aa39d6d8870e4144X Refsource MISCWEBPatchThird Party Advisory
Show all 34 references
- github.com/pytest-dev/pyPACKAGE
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory