protobuf
PyPI5 known CVEs affecting this package
Aggregated from OSV, GitHub Security Advisories, NVD, and vendor advisories. Each CVE links to its full detail page with vendor advisories, patches, fixed versions, and remediation guidance.
CVEs affecting protobufpage 1 of 1
- CVE-2015-5237HIGHCVSS 8.8EG 8.8✓ Fixed in 3.4.02017-09-25
vulnerable: 2.0.0beta ... 3.3.0 (25 versions)
protobuf allows remote authenticated attackers to cause a heap-based buffer overflow.
- CVE-2021-22570MEDIUMCVSS 6.5EG 6.5✓ Fixed in 3.15.02022-01-26
vulnerable: 2.0.0beta ... 3.9.2 (64 versions)
Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of the resulting error message. Since the symbol is incorrectly …
- CVE-2022-1941HIGHCVSS 7.5EG 7.5✓ Fixed in 4.21.62022-09-22
vulnerable: 4.21.0 ... 4.21.5 (8 versions)
A parsing vulnerability for the MessageSet type in the ProtocolBuffers versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, 3.20.1 and 3.21.5 for protobuf-cpp, and versions prior to and including 3.16.1, 3.17.3, 3.18.2, 3.19.4, …
- CVE-2025-4565MEDIUMCVSS 5.3EG 5.3✓ Fixed in 4.25.82025-06-16
vulnerable: 2.0.0beta ... 4.25.7 (153 versions)
Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbitrary number of recursive groups, recursive messages or a series of SGROUP tags can be corrupted by exceeding the Python recurs…
- CVE-2026-0994HIGHCVSS 7.5EG 7.5✓ Fixed in 5.29.62026-01-23
vulnerable: 2.0.0beta ... 5.29.5 (184 versions)
A denial-of-service (DoS) vulnerability exists in google.protobuf.json_format.ParseDict() in Python, where the max_recursion_depth limit can be bypassed when parsing nested google.protobuf.Any messages. Due to missing recursion depth acco…
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