CVE-2020-29651

low

Published 2021-04-20 · Modified 2023-11-08

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CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

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not yet in upstream

VIR risk

2.5

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.

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`1.10.0-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1.10.0-1`
sid	Fixed	`1.10.0-1`
forky	Fixed	`1.10.0-1`
bullseye	Fixed	`7.3.5+dfsg-2+deb11u4`
bookworm	Fixed	`1.10.0-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
PyPI	py	`<1.10.0`	`1.10.0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.