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6.5
CVE-2026-11121: Google Chrome prior to 149.0.7827.53: Cross-origin data leak via crafted HTML page
CVE-2026-11121 · published 5 months ago
Summary
A security issue in Google Chrome allows a hacker who has control of a website to steal data from other websites that a user visits. This is possible if the user visits a malicious website using an outdated version of Google Chrome. To fix this issue, update to the latest version of Google Chrome.
What to do
- Update debian chromium to version 149.0.7827.53-1~deb12u1.
- Update debian chromium to version 149.0.7827.53-1~deb13u1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Debian:11 | debian | chromium | All versions |
| Debian:12 | debian | chromium |
< 149.0.7827.53-1~deb12u1 Fix: upgrade to 149.0.7827.53-1~deb12u1
|
| Debian:13 | debian | chromium |
< 149.0.7827.53-1~deb13u1 Fix: upgrade to 149.0.7827.53-1~deb13u1
|
| Debian:14 | debian | chromium | All versions |
Original advisory text
Insufficient validation of untrusted input in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted...
Insufficient validation of untrusted input in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-20Improper Input Validation
Timeline
Published4 Jun 2026
Updated4 Nov 2026
First seen8 Jun 2026
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