- Latest release
- Not known: cve.now hasn't read this package's releases
- Newest unaffected release
- Not known without release data
- Advisories
- 5 · 3 high, 1 medium
- Weekly downloads
- 178.6M
- Dependents
- 40.7K
- Registry
- PyPI
Advisories 5
- CVE-2026-0994High 8.2
Denial of Service in Python Protobuf
Affected: from 6.30.0rc1, fixed in 6.33.5; fixed in 5.29.6; fixed in 5.29.6; from 6.30.0rc1, fixed in 6.33.5.
- CVE-2025-4565High 8.2
Unbounded recursion in Python Protobuf
Affected: fixed in 4.25.8; from 5.26.0rc1, fixed in 5.29.5; from 6.30.0rc1, fixed in 6.31.1; fixed in 4.25.8; from 5.26.0rc1, fixed in 5.29.5; from 6.30.0rc1, fixed in 6.31.1.
- CVE-2022-1941High 7.5
Out of Memory issue in ProtocolBuffers for cpp and python
Affected: fixed in 3.18.3; from 3.19.0, fixed in 3.19.5; from 3.20.0, fixed in 3.20.2; from 4.0.0, fixed in 4.21.6; fixed in 3.18.3; from 3.19.0, fixed in 3.19.5; from 3.20.0, fixed in 3.20.2; from 4.0.0, fixed in 4.21.6.
- CVE-2021-22570Medium 6.5
Nullptr Dereference in Protobuf
Affected: fixed in 3.15.0.
- CVE-2015-5237Unrated
protobuf allows remote authenticated attackers to cause a heap-based buffer overflow.
Affected: fixed in 3.4.0.