What’s Vulnerable › Vulnerabilities

CVE-2021-30608

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-03 · updated 2026-06-17
• Weakness: CWE-416

Description

Chromium: CVE-2021-30608 Use after free in Web Share

Affected products

• Fedoraproject Fedora: 35
• Microsoft Edge: through 93.0.961.38
• Microsoft Edge (Chromium): through 93.0.4577.63
• Microsoft Edge (Chromium): all versions

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30608
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30608

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