CVE-2026-54697

ConnectBot SSH Client Library is written in Kotlin with Kaitai Struct and KStateMachine. Prior to 0.3.1, DerReader.readLength() accepts excessive long-form DER length octets, accumulates them into an Int, and primitive readers allocate arrays without checking the declared size against the remaining input. An application or user that loads an attacker-provided private-key file through SshClient.authenticatePublicKey(), SshKeys.decodePemPrivateKey(), SshSigning.sign(), or SshSigning.getPublicKey() can trigger integer wraparound, excessive allocation, or an uncaught OutOfMemoryError. SSH server host keys and agent-forwarding messages do not use this application-supplied private-key input path. No usable weakened key and no confidentiality or integrity impact have been demonstrated. This issue is fixed in version 0.3.1.

CVSS

No CVSS.

References

Link	Resource
https://github.com/connectbot/cbssh/commit/2bb917517bec0df229a02ca768d6eae84be72df0
https://github.com/connectbot/cbssh/releases/tag/v0.3.1
https://github.com/connectbot/cbssh/security/advisories/GHSA-vc8p-8pxg-rfwg

Configurations

No configuration.

History

13 Oct 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 16:17

Updated : 2026-10-16 20:04

NVD link : CVE-2026-54697

Mitre link : CVE-2026-54697

CVE.ORG link : CVE-2026-54697

JSON object : View

Products Affected

No product.

CWE

CWE-190

Integer Overflow or Wraparound

CWE-789

Memory Allocation with Excessive Size Value

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