Known Vulnerability
The current version has a known security vulnerability. Review the advisory and consider upgrading.
Security Vulnerability
OSV-2025-500
UNKNOWN READ in getUShort
Source: osv.dev · Flagged: 1 month ago
pyvex has 1.1M monthly downloads and 376 GitHub stars. Version 9.2.222 supports Python 3.12+, first published in 2015.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of bitstring and cffi. It is used by 3 tracked packages, including angr, cle and binocular.
Provenance Mismatch
This package's publish attestation (PEP 740) proves it builds from angr/ci-settings, not the linked angr/pyvex. Stars and other GitHub metrics shown here come from the claimed repository.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
57
Adoption
60
Community
80
Provenance
0
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
1,070,008
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
1,070,008
Stars
376
Stars per 1k downloads
0.35
Industry Standard
> 10,000,000 monthly downloads
•
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
26,950
Month daily avg
35,667
Momentum
-24.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.12
•
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD-2-Clause AND GPL-2.0-only
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
13 days ago
Total releases
330
Releases/year
29.7
•
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
78
Monthly downloads
1,070,008
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
72
Issue Burden
31.9
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
60.9%
contrib / forks
Stale Release
No
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
21.8K
Windows
662
macOS
219
Python Versions
3.8
61.2%
13.4K
3.13
22.7%
5.0K
3.12
6.4%
1.4K
3.10
5.0%
1.1K
3.11
4.7%
1.0K
Top Countries
1.
US
21.5K
US
2.
CN
1.5K
CN
3.
DK
1.3K
DK
4.
IN
686
IN
5.
SG
429
SG
6.
MY
274
MY
7.
SE
262
SE
8.
DE
200
DE
9.
HK
172
HK
10.
BR
144
BR
Package Information
License
BSD-2-Clause AND GPL-2.0-only
First Release
May 27, 2015
Last Release
2 weeks ago
Last Commit
6 days ago
Latest Version
9.2.222
Total Releases
330
Contributors
78
Open PRs
4
Archived
No
Python Versions
3
3.12
3.13
3.14
Wheels
cp310
cp311
cp312
cp313
cp314
py2
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh