🛡️ CVE-2021-30603 on Ubuntu — chromium-browser

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Data race in WebAudio in Google Chrome prior to 92.0.4515.159 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Distribution advisory

This page covers CVE-2021-30603 as tracked by Ubuntu, for the package chromium-browser. The fix is available in version 92.0.4515.159-0ubuntu0.18.04.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software and timeline

Affected software: chromium-browser (fixed in 92.0.4515.159-0ubuntu0.18.04.1). Published on 26 August 2021 and last revised on 8 September 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
chromereleases.googleblog.com (Report)
crbug.com (Report)
www.cve.org (Report)

CVE-2021-30603 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-08-26
Updated 2026-06-08
Modified 2025-09-08
Fix URL N/A

Affected Packages

Software From version Fixed in
chromium-browser — 92.0.4515.159-0ubuntu0.18.04.1

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

More UBUNTU CVE 2021 advisories

Part of UBUNTU CVE 2021 in the advisory index.