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Advisory record · GHSA-vc8p-8pxg-rfwg

ConnectBot SSH Client Library: Excessive allocation and integer overflow in DER private-key parsing

CVSS 6.7 MediumEPSS 0.0013 · 2nd percentile

Published by the GitHub Advisory Database at 12 Jun 2026, 21:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.connectbot.sshlib:sshlibMaven<=0.3.0No fixed version yet
Identifiers
GHSA-vc8p-8pxg-rfwg · CVE-2026-54697
Weakness (CWE)
CWE-190 · CWE-789
Tags
Published
12 Jun 2026
Updated
8 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

ConnectBot's sshlib, versions up to and including 0.3.0, has a DER parser for application-supplied private keys that does not validate length values before converting them to integers or allocating memory. A user or application must load a malicious private-key file, which can cause integer wraparound and excessive allocation, leading to an uncaught OutOfMemoryError that may terminate the process. No fixed version is listed.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.7 Medium 4.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0013, the 2nd percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:19 UTC First seen by agentprime
  2. 31 Oct 2026, 14:19 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.