CVE-2021-21143
published 2021-02-09CVE-2021-21143: Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to…
PriorityP340high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.82%
53.1th percentile
Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 88.0.4324.146-1 | 88.0.4324.146-1 |
| chromium | chromium | >= 0 < 88.0.4324.146-1 | 88.0.4324.146-1 |
| chromium | chromium | >= 0 < 88.0.4324.146-1 | 88.0.4324.146-1 |
| chromium | chromium | >= 0 < 88.0.4324.146-1 | 88.0.4324.146-1 |
| debian | chromium | < chromium 88.0.4324.146-1 (bookworm) | chromium 88.0.4324.146-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| chrome | < 88.0.4324.146 | 88.0.4324.146 | |
| chrome | >= unspecified < 88.0.4324.146 | 88.0.4324.146 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
vendor_msrc8.8HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Microsoft
Chromium CVE-2021-21143: Heap buffer overflow in Extensions
vendor_msrc·2021-02-09·CVSS 8.8
CVE-2021-21143 [HIGH] Chromium CVE-2021-21143: Heap buffer overflow in Extensions
Chromium CVE-2021-21143: Heap buffer overflow in Extensions
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge
Chrome
Stable Channel Update for Desktop: CVE-2021-21142
vendor_chrome·2021-02-02·CVSS 9.6
CVE-2021-21142 [CRITICAL] Stable Channel Update for Desktop: CVE-2021-21142
Stable Channel Update for Desktop
CVE-2021-21142: Use after free in Payments . Reported by Khalil Zhani on 2021-01-21 [$10000][ 1163504 ] High CVE-2021-21143: Heap buffer overflow in Extensions
Reported by Allen Parker & Alex Morgan of MU on 2021-01-06 [$10000][ 1163845 ] High CVE-2021-21144: Heap buffer overflow in Tab Groups
Severity: critical
Debian
CVE-2021-21143: chromium - Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allow...
vendor_debian·2021·CVSS 8.8
CVE-2021-21143 [HIGH] CVE-2021-21143: chromium - Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allow...
Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Scope: local
bookworm: resolved (fixed in 88.0.4324.146-1)
bullseye: resolved (fixed in 88.0.4324.146-1)
forky: resolved (fixed in 88.0.4324.146-1)
sid: resolved (fixed in 88.0.4324.146-1)
trixie: resolved (fixed in 88.0.4324.146-1)
GHSA
GHSA-ww6m-3fjc-mvfw: Heap buffer overflow in Extensions in Google Chrome prior to 88
ghsa_unreviewed·2022-05-24
CVE-2021-21143 [HIGH] CWE-787 GHSA-ww6m-3fjc-mvfw: Heap buffer overflow in Extensions in Google Chrome prior to 88
Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
OSV
CVE-2021-21143: Heap buffer overflow in Extensions in Google Chrome prior to 88
osv·2021-02-09·CVSS 8.8
CVE-2021-21143 [HIGH] CVE-2021-21143: Heap buffer overflow in Extensions in Google Chrome prior to 88
Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.htmlhttps://crbug.com/1163504https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/https://security.gentoo.org/glsa/202104-08https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.htmlhttps://crbug.com/1163504https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/https://security.gentoo.org/glsa/202104-08
2021-02-09
Published