To report security concerns or vulnerabilities within protobuf, please use Google's official channel for reporting these.
https://bughunters.google.com/report
Security: protocolbuffers/protobuf
Security
SECURITY.md
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A potential Denial of Service issue in protobuf-phpGHSA-p2gh-cfq4-4wjc published
Mar 23, 2026 by shaod2High -
A potential Denial of Service issue in protobuf-pythonGHSA-8qvm-5x2c-j2w7 published
Jun 16, 2025 by zhangskzHigh -
A potential Denial of Service issue in protobuf-javaGHSA-735f-pc8j-v9w8 published
Sep 18, 2024 by zhangskzHigh -
Use-after-free issue in C++ JSON parserGHSA-h5g9-ghrj-76p5 published
May 3, 2024 by acozzetteHigh -
A potential Denial of Service issue in protobuf-javaGHSA-h4h5-3hr4-j3g2 published
Oct 4, 2022 by devjgmModerate -
A potential Denial of Service issue in protobuf-cpp and protobuf-pythonGHSA-8gq9-2x98-w8hf published
Sep 22, 2022 by sbenzaquenModerate -
A potential Denial of Service issue in protobuf-javaGHSA-wrvw-hg22-4m67 published
Jan 6, 2022 by perezdHigh
Learn more about advisories related to protocolbuffers/protobuf in the GitHub Advisory Database