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4.3

Chrome and Chromium could leak data from other sites

CVE-2026-78965 · published 2 months ago
Summary

Versions of Google Chrome and the Chromium browser on Debian before the latest update can be tricked by a malicious web page into revealing information from other websites. This could let an attacker see data they shouldn't have access to. Update the browsers to the newest version to close the risk.

What to do
  • Update google chrome to version 152.0.7977.65 or later.
Affected software
Ecosystem VendorProductAffected versions
Debian:11 debian chromium All versions
Debian:12 debian chromium All versions
Debian:13 debian chromium All versions
Debian:14 debian chromium All versions
– google chrome < 152.0.7977.65
Original advisory text
Uninitialized resource in ANGLE in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
Uninitialized resource in ANGLE in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-908Use of Uninitialized Resource
Timeline
Published25 Aug 2026
Updated4 Nov 2026
First seen27 Aug 2026
Sources
DEBIAN-CVE-2026-78965 · OSV
CVE-2026-78965 · NVD
CVE-2026-78965 · MITRE
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