High severity8.8CISA KEVNVD Advisory· Published Apr 26, 2021· Updated Jun 17, 2026
CVE-2021-21206
CVE-2021-21206
Description
Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- osv-coords4 versionspkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/opera&distro=openSUSE%20Leap%2015.2%20NonFreepkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2015%20SP2
< 89.0.4389.128-lp152.2.86.1+ 3 more
- (no CPE)range: < 89.0.4389.128-lp152.2.86.1
- (no CPE)range: < 93.0.4577.82-1.1
- (no CPE)range: < 76.0.4017.94-lp152.2.43.1
- (no CPE)range: < 89.0.4389.128-bp152.2.71.1
Patches
Vulnerability mechanics
References
7- crbug.com/1196781nvdPermissions RequiredThird Party Advisory
- security.gentoo.org/glsa/202104-08nvdThird Party Advisory
- chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.htmlnvdRelease Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/nvdRelease Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/nvdRelease Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/nvdRelease Notes
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
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