What’s Vulnerable › Vulnerabilities

CVE-2021-30560: Nokogiri has vulnerable dependencies on libxml2 and libxslt

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 17.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-03 · updated 2026-06-17
• Weakness: CWE-416

Description

Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

• Debian Linux: 10.0, 11.0
• Google Chrome: before 91.0.4472.164 — fixed in 91.0.4472.164
• Splunk Universal Forwarder: from 8.2.0 before 8.2.12; from 9.0.0 before 9.0.6; 9.1.0 — fixed in 8.2.12, 9.0.6
• xmlsoft libxslt: before 1.1.35 — fixed in 1.1.35
• Rubygems Nokogiri: before 1.13.2; 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5 (+135) — fixed in 1.13.2

How to fix

Upgrade to a fixed version: Google Chrome 91.0.4472.164; Splunk Universal Forwarder 8.2.12, 9.0.6; xmlsoft libxslt 1.1.35; Rubygems Nokogiri 1.13.2. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
• https://crbug.com/1219209
• https://lists.debian.org/debian-lts-announce/2022/09/msg00010.html
• https://security.gentoo.org/glsa/202310-23
• https://www.debian.org/security/2022/dsa-5216
• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
• https://crbug.com/1219209
• https://lists.debian.org/debian-lts-announce/2022/09/msg00010.html
• https://security.gentoo.org/glsa/202310-23
• https://www.debian.org/security/2022/dsa-5216

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