This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-12437 →

DEBIAN-CVE-2026-12437

Use after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to p...

Original description

The description as published by the source.

Use after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 chromium

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"149.0.7827.155-1~deb12u1"}]}]

Debian:13 chromium

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"149.0.7827.155-1~deb13u1"}]}]

Debian:14 chromium

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"149.0.7827.155-1"}]}]

References

advisory security-tracker.debian.org