Home/CVE/Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit he
CVE

CVE-2021-30560

Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit he

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.

HIGH · CVSS 8.8 EPSS 0.00084
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

6
google chrome< 91.0.4472.164
xmlsoft libxslt< 1.1.35
debian linuxall versions
splunk universal forwarder>= 8.2.0 and < 8.2.12
splunk universal forwarder>= 9.0.0 and < 9.0.6
splunk universal forwarderall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
RubyGems nokogiri HIGH fixed in 1.13.2
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighRunning Chrome VPN Extensions via the Registry 2 VPN Extension
productmediumPotential Chrome Frame Helper DLL Sideloading
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · chrome-cve-admin@google.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Aug 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

21
suse-csafopenSUSE-SU-2026:10356-1
suse-csafopenSUSE-SU-2025:14697-1
suse-csafopenSUSE-SU-2024:14174-1
suse-csafopenSUSE-SU-2024:10681-1
suse-csafopenSUSE-SU-2024:10977-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.htmlRelease NotesVendor Advisory
https://crbug.com/1219209Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00010.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202310-23Third Party Advisory
https://www.debian.org/security/2022/dsa-5216Third Party Advisory
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