What’s Vulnerable › Vulnerabilities

CVE-2020-13584

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-03 · updated 2026-06-17
• Weakness: CWE-416

Description

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.

Affected products

• Fedoraproject Fedora: 32
• Webkit: 2.30.1

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
• https://security.gentoo.org/glsa/202012-10
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1195
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
• https://security.gentoo.org/glsa/202012-10
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1195

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