CVE-2021-21154

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

Description

Heap buffer overflow in Tab Strip in Google Chrome prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-21154

OS impact

OSVersionStatusFixed in
arch archfixed3.6.2165.40-1
debian debianbookwormfixed88.0.4324.182-1
debian debianbullseyefixed88.0.4324.182-1
debian debianforkyfixed88.0.4324.182-1
debian debiansidfixed88.0.4324.182-1
debian debiantrixiefixed88.0.4324.182-1

References

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