CVE-2021-21173

high
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
8.0

Description

Side-channel information leakage in Network Internals in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

arch Arch Fixed 1 release
VersionStatusFixed in
Fixed 3.7.2218.45-1
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 89.0.4389.82-1
sid Fixed 89.0.4389.82-1
forky Fixed 89.0.4389.82-1
bullseye Fixed 89.0.4389.82-1
bookworm Fixed 89.0.4389.82-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.