td has pre-auth denial of service via unbounded memory allocation in proto.UnencryptedMessage.Decode

Date Jul 28, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท github.com/gotd/td
CVE CVE-2026-54638
High-risk advisory CVE-2026-54638

Summary

td has pre-auth denial of service via unbounded memory allocation in proto.UnencryptedMessage.Decode

Why it matters

GitHub has published a reviewed security advisory for github.com/gotd/td. Prioritize it with other application dependency updates.

Operator check

Check whether github.com/gotd/td is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.