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Observable Discrepancy in atom-shell

CVE-2025-10890

  • atom-shell
  • chromium
  • chromiumembeddedframework.runtime
  • electron
  • electron-nightly
  • electron-prebuilt
  • org.webjars.npm:electron
  • org.webjars.npm:electron-prebuilt
Severity High
Score 9.1/10

Summary

Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Advisory Timeline

  • Published