Medium severity6.5NVD Advisory· Published Mar 9, 2021· Updated Jun 17, 2026
CVE-2021-21163
CVE-2021-21163
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- osv-coords3 versionspkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweedpkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2015%20SP2
< 89.0.4389.72-lp152.2.77.1+ 2 more
- (no CPE)range: < 89.0.4389.72-lp152.2.77.1
- (no CPE)range: < 93.0.4577.82-1.1
- (no CPE)range: < 89.0.4389.72-bp152.2.62.1
Patches
Vulnerability mechanics
References
7- chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlnvdRelease NotesVendor Advisory
- security.gentoo.org/glsa/202104-08nvdThird Party Advisory
- www.debian.org/security/2021/dsa-4886nvdThird Party Advisory
- crbug.com/1111239nvdPermissions Required
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/nvd
News mentions
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