High severity8.8NVD Advisory· Published Jul 2, 2021· Updated Jun 17, 2026
CVE-2021-30556
CVE-2021-30556
Description
Use after free in WebAudio in Google Chrome prior to 91.0.4472.114 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
9- osv-coords7 versionspkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/opera&distro=openSUSE%20Leap%2015.2%20NonFreepkg:rpm/opensuse/opera&distro=openSUSE%20Leap%2015.3%20NonFreepkg:rpm/opensuse/opera&distro=openSUSE%20Leap%2015.4%20NonFreepkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2015%20SP3
< 91.0.4472.114-lp152.2.107.1+ 6 more
- (no CPE)range: < 91.0.4472.114-lp152.2.107.1
- (no CPE)range: < 91.0.4472.114-bp153.2.13.1
- (no CPE)range: < 93.0.4577.82-1.1
- (no CPE)range: < 77.0.4054.146-lp152.2.52.1
- (no CPE)range: < 77.0.4054.146-lp153.2.6.1
- (no CPE)range: < 85.0.4341.28-lp154.2.5.1
- (no CPE)range: < 91.0.4472.114-bp153.2.13.1
Patches
Vulnerability mechanics
References
5- chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_17.htmlnvdRelease NotesVendor Advisory
- crbug.com/1212599nvdPermissions RequiredVendor Advisory
- security.gentoo.org/glsa/202107-06nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/nvd
News mentions
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