CVE-2021-30533

Chromium: CVE-2021-30533 Insufficient policy enforcement in PopupBlocker

CVE-2021-30533 is fixed in 5 products on 1 platform, first by chromium-browser 91.0.4472.77-0ubuntu0.18.04.1, released January 2, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on June 27, 2022. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

n/a

Medium

Exploitation

Exploited

Listed by CISA

CISA KEV

Jun 27, 2022

Federal due date Jul 18, 2022

EPSS

0.1674

97th percentile

<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2021">Google Chrome Releases</a> for more information</p>

Where it's fixed

Product	Fixed in	Fix	Released
Linux
chromium-browser · Ubuntu 18.04.6 LTS (bionic)	91.0.4472.77-0ubuntu0.18.04.1	chromium-browser 91.0.4472.77-0ubuntu0.18.04.1	Jan 2, 2023
chromium-browser-l10n · Ubuntu 18.04.6 LTS (bionic)	91.0.4472.77-0ubuntu0.18.04.1	chromium-browser-l10n 91.0.4472.77-0ubuntu0.18.04.1	Jan 2, 2023
chromium-chromedriver · Ubuntu 18.04.6 LTS (bionic)	91.0.4472.77-0ubuntu0.18.04.1	chromium-chromedriver 91.0.4472.77-0ubuntu0.18.04.1	Jan 2, 2023
chromium-codecs-ffmpeg · Ubuntu 18.04.6 LTS (bionic)	91.0.4472.77-0ubuntu0.18.04.1	chromium-codecs-ffmpeg 91.0.4472.77-0ubuntu0.18.04.1	Jan 2, 2023
chromium-codecs-ffmpeg-extra · Ubuntu 18.04.6 LTS (bionic)	91.0.4472.77-0ubuntu0.18.04.1	chromium-codecs-ffmpeg-extra 91.0.4472.77-0ubuntu0.18.04.1	Jan 2, 2023

Details

Published
May 27, 2021
CISA required action
Apply updates per vendor instructions.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30533

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