CVE-2021-30555
published 2021-07-02CVE-2021-30555: Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially…
PriorityP343high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
1.35%
68.7th percentile
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 93.0.4577.82-1 | 93.0.4577.82-1 |
| chromium | chromium | >= 0 < 93.0.4577.82-1 | 93.0.4577.82-1 |
| chromium | chromium | >= 0 < 93.0.4577.82-1 | 93.0.4577.82-1 |
| chromium | chromium | >= 0 < 93.0.4577.82-1 | 93.0.4577.82-1 |
| debian | chromium | < chromium 93.0.4577.82-1 (bookworm) | chromium 93.0.4577.82-1 (bookworm) |
| chrome | < 91.0.4472.114 | 91.0.4472.114 | |
| chrome | >= unspecified < 91.0.4472.114 | 91.0.4472.114 | |
| 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
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Chrome
Stable Channel Update for Desktop: CVE-2021-30554
vendor_chrome·2021-06-17·CVSS 8.8
CVE-2021-30554 [HIGH] Stable Channel Update for Desktop: CVE-2021-30554
Stable Channel Update for Desktop
CVE-2021-30554: Use after free in WebGL. Reported by anonymous on 2021-06-15 [$10000][ 1215029 ] High CVE-2021-30555: Use after free in Sharing
Reported by David Erceg on 2021-06-01 [$7500][ 1212599 ] High CVE-2021-30556: Use after free in WebAudio
Severity: high
Microsoft
Chromium: CVE-2021-30555 Use after free in Sharing
vendor_msrc·2021-06-08·CVSS 8.8
CVE-2021-30555 [HIGH] Chromium: CVE-2021-30555 Use after free in Sharing
Chromium: CVE-2021-30555 Use after free in Sharing
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
FAQ: Wh
Debian
CVE-2021-30555: chromium - Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an att...
vendor_debian·2021·CVSS 8.8
CVE-2021-30555 [HIGH] CVE-2021-30555: chromium - Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an att...
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.
Scope: local
bookworm: resolved (fixed in 93.0.4577.82-1)
bullseye: resolved (fixed in 93.0.4577.82-1)
forky: resolved (fixed in 93.0.4577.82-1)
sid: resolved (fixed in 93.0.4577.82-1)
trixie: resolved (fixed in 93.0.4577.82-1)
GHSA
GHSA-p563-p765-777j: Use after free in Sharing in Google Chrome prior to 91
ghsa_unreviewed·2022-05-24
CVE-2021-30555 [HIGH] CWE-416 GHSA-p563-p765-777j: Use after free in Sharing in Google Chrome prior to 91
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.
OSV
CVE-2021-30555: Use after free in Sharing in Google Chrome prior to 91
osv·2021-07-02·CVSS 8.8
CVE-2021-30555 [HIGH] CVE-2021-30555: Use after free in Sharing in Google Chrome prior to 91
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.htmlhttps://crbug.com/1215029https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/https://security.gentoo.org/glsa/202107-06https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.htmlhttps://crbug.com/1215029https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/https://security.gentoo.org/glsa/202107-06
2021-07-02
Published