CVE-2021-21163
published 2021-03-09CVE-2021-21163: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted…
PriorityP429medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.94%
56.9th percentile
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| chromium | chromium | >= 0 < 89.0.4389.82-1 | 89.0.4389.82-1 |
| debian | chromium | < chromium 89.0.4389.82-1 (bookworm) | chromium 89.0.4389.82-1 (bookworm) |
| debian | debian_linux | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| chrome | < 89.0.4389.72 | 89.0.4389.72 | |
| chrome | >= unspecified < 89.0.4389.72 | 89.0.4389.72 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_msrc6.5MEDIUM
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GHSA
GHSA-45qq-5333-g6h7: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89
ghsa_unreviewed·2022-05-24
CVE-2021-21163 [MEDIUM] CWE-346 GHSA-45qq-5333-g6h7: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
OSV
CVE-2021-21163: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89
osv·2021-03-09·CVSS 6.5
CVE-2021-21163 [MEDIUM] CVE-2021-21163: Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
Microsoft
Chromium CVE-2021-21163: Insufficient data validation in Reader Mode
vendor_msrc·2021-03-09·CVSS 6.5
CVE-2021-21163 [MEDIUM] Chromium CVE-2021-21163: Insufficient data validation in Reader Mode
Chromium CVE-2021-21163: Insufficient data validation in Reader Mode
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. Please see Security Update Guide Supports CVEs Assigned by Industry Partners for more information.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 do
Chrome
Stable Channel Update for Desktop: CVE-2021-21162
vendor_chrome·2021-03-02·CVSS 8.8
CVE-2021-21162 [HIGH] Stable Channel Update for Desktop: CVE-2021-21162
Stable Channel Update for Desktop
CVE-2021-21162: Use after free in WebRTC. Reported by Anonymous on 2021-01-29 [$TBD][ 1111239 ] High CVE-2021-21163: Insufficient data validation in Reader Mode
Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2020-07-30 [$TBD][ 1164846 ] High CVE-2021-21164: Insufficient data validation in Chrome for iOS
Severity: high
Debian
CVE-2021-21163: chromium - Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89....
vendor_debian·2021·CVSS 6.5
CVE-2021-21163 [MEDIUM] CVE-2021-21163: chromium - Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89....
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
Scope: local
bookworm: resolved (fixed in 89.0.4389.82-1)
bullseye: resolved (fixed in 89.0.4389.82-1)
forky: resolved (fixed in 89.0.4389.82-1)
sid: resolved (fixed in 89.0.4389.82-1)
trixie: resolved (fixed in 89.0.4389.82-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlhttps://crbug.com/1111239https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/https://security.gentoo.org/glsa/202104-08https://www.debian.org/security/2021/dsa-4886https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlhttps://crbug.com/1111239https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/https://security.gentoo.org/glsa/202104-08https://www.debian.org/security/2021/dsa-4886
2021-03-09
Published