CVE Tools

Protobuf

17 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Protobuf, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.

Protobuf CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Protobuf CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-061
2025-071
2025-080
2025-090
2025-100
2025-110
2025-120
2026-011
2026-020
2026-030
2026-041
2026-050
2026-060
2026-070
2026-080
2026-091

Severity

How the 17 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • High1275%
  • Medium425%

Latest CVEs

The 15 most recently published vulnerabilities affecting Protobuf.

  1. CVE-2026-54451Elixir protobuf: Unbounded recursion depth in embedded-message decoding—
  2. CVE-2026-6409Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input7.5
  3. CVE-2026-0994Denial of Service in Python Protobuf7.5
  4. CVE-2025-53605The protobuf crate before 3.7.2 for Rust allows uncontrolled recursion in the protobuf::coded_input_stream::CodedInputStream::skip_group parsing of unknown fields in untrusted input.5.9
  5. CVE-2025-4565Unbounded recursion in Python Protobuf5.3
  6. CVE-2024-7254Stack overflow in Protocol Buffers Java Lite7.5
  7. CVE-2024-2410Use after free in C++ protobuf7.6
  8. CVE-2023-24535Panic when parsing invalid messages in google.golang.org/protobuf7.5
  9. CVE-2022-3510Parsing issue in protobuf message-type extension7.5
  10. CVE-2022-3509Parsing issue in protobuf textformat7.5
  11. CVE-2022-3171Memory handling vulnerability in ProtocolBuffers Java core and lite4.3
  12. CVE-2022-1941Out of Memory issue in ProtocolBuffers for cpp and python7.5
  13. CVE-2021-22570Nullptr Dereference in Protobuf6.5
  14. CVE-2021-22569Denial of Service of protobuf-java parsing procedure7.5
  15. CVE-2021-3121An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.8.6

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