CVE-2021-38003

Chromium: CVE-2021-38003 Inappropriate implementation in V8

CVE-2021-38003 is fixed in 8 products on 2 platforms, first by chromium-browser 95.0.4638.69-0ubuntu0.18.04.1, released November 23, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now.

Patch nowCISA KEVFixed on 2 platforms

CVSS

8.8

high

Exploitation

Exploited

Reported by the vendor

CISA KEV

Nov 3, 2021

Federal due date Nov 17, 2021

EPSS

0.3857

98th 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. Google is aware that exploits for this vulnerability exist in the wild.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Microsoft Edge Beta	127.0.2651.8	Microsoft Edge Beta 127.0.2651.8	Jun 21, 2024
Microsoft Edge Dev	127.0.2651.8	Microsoft Edge Dev 127.0.2651.8	Jun 21, 2024
Linux
chromium · Debian 12.15 (bookworm)	97.0.4692.71-0.1	DEBIAN-CVE-2021-38003	Nov 23, 2021
chromium · Debian 13.5 (trixie)	97.0.4692.71-0.1	DEBIAN-CVE-2021-38003	Nov 23, 2021
chromium · Debian 14	97.0.4692.71-0.1	DEBIAN-CVE-2021-38003	Nov 23, 2021
chromium-browser · Ubuntu 18.04.6 LTS (bionic)	95.0.4638.69-0ubuntu0.18.04.1	chromium-browser 95.0.4638.69-0ubuntu0.18.04.1	Nov 23, 2021
chromium-browser-l10n · Ubuntu 18.04.6 LTS (bionic)	95.0.4638.69-0ubuntu0.18.04.1	chromium-browser-l10n 95.0.4638.69-0ubuntu0.18.04.1	Nov 23, 2021
chromium-chromedriver · Ubuntu 18.04.6 LTS (bionic)	95.0.4638.69-0ubuntu0.18.04.1	chromium-chromedriver 95.0.4638.69-0ubuntu0.18.04.1	Nov 23, 2021
chromium-codecs-ffmpeg · Ubuntu 18.04.6 LTS (bionic)	95.0.4638.69-0ubuntu0.18.04.1	chromium-codecs-ffmpeg 95.0.4638.69-0ubuntu0.18.04.1	Nov 23, 2021
chromium-codecs-ffmpeg-extra · Ubuntu 18.04.6 LTS (bionic)	95.0.4638.69-0ubuntu0.18.04.1	chromium-codecs-ffmpeg-extra 95.0.4638.69-0ubuntu0.18.04.1	Nov 23, 2021

Details

Published
October 29, 2021
Weakness
CWE-755: Improper Handling of Exceptional Conditions
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA required action
Apply updates per vendor instructions.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38003

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