High severity7.5NVD Advisory· Published Jul 28, 2026· Updated Sep 10, 2026
CVE-2026-54638
CVE-2026-54638
Description
gotd/td is a T Telegram MTProto API client in Go. Prior to 0.145.1, proto.UnencryptedMessage.Decode in proto/unencrypted_message.go read attacker controlled dataLen from an unauthenticated MTProto unencrypted packet and allocated make([]byte, dataLen) before checking the remaining buffer, allowing remote unauthenticated denial of service through excessive memory allocation and CPU or garbage collection pressure. This issue is fixed in version 0.145.1.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/gotd/tdGo | < 0.145.1 | 0.145.1 |
Affected products
2- osv-coordsRange: < 0.0.20260827T195228-160000.1.1
Patches
Vulnerability mechanics
References
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