CVE-2021-30560: Use after free in Blink XSLT

Published Jun 12, 2021
·
Updated

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.

Credit

Nick Wellnhofer

Affected Software

45 affected componentsFixes available
rubygems/nokogiri<1.13.2
1.13.2
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1119.0.6045.123-1~deb11u1116.0.5845.180-1~deb12u1119.0.6045.123-1~deb12u1119.0.6045.123-1
debian/libxslt<=1.1.32-2.2~deb10u1
1.1.32-2.2~deb10u21.1.34-4+deb11u11.1.35-1
Google Chrome<91.0.4472.164
91.0.4472.164
Google Chrome<91.0.4472.164
Xmlsoft Libxslt<1.1.35
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Splunk Universal Forwarder>=8.2.0<8.2.12
Splunk Universal Forwarder>=9.0.0<9.0.6
Splunk Universal Forwarder=9.1.0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/chromium<91.0.4472.164-r0
91.0.4472.164-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/libxslt<1.1.35-r0
1.1.35-r0
alpine/qt5-qtwebengine<5.15.3_git20211006-r0
5.15.3_git20211006-r0
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6
alpine/qt5-qtwebengine<5.15.3_git20210510-r6
5.15.3_git20210510-r6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade rubygems/nokogiri to a version that resolves this vulnerability.

    Fixed in 1.13.2
  2. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 116.0.5845.180-1~deb11u1Fixed in 119.0.6045.123-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 119.0.6045.123-1~deb12u1Fixed in 119.0.6045.123-1
  3. Upgrade

    Upgrade debian/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.32-2.2~deb10u2Fixed in 1.1.34-4+deb11u1Fixed in 1.1.35-1
  4. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 91.0.4472.164
  5. Upgrade

    Upgrade alpine/chromium to a version that resolves this vulnerability.

    Fixed in 91.0.4472.164-r0
  6. Upgrade

    Upgrade alpine/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.35-r0
  7. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.3_git20211006-r0
  8. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.3_git20210510-r6

Event History

Jun 12, 2021
CVE Published
12:00 AM
Aug 3, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·07:15 PM
DescriptionSeverityAffected Software
May 24, 2022
Advisory Published
07:09 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2021-30560?

CVE-2021-30560 is a vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page in Google Chrome prior to 91.0.4472.164.

2

How severe is CVE-2021-30560?

CVE-2021-30560 has a severity rating of 8.8 out of 10, indicating a high severity.

3

How does CVE-2021-30560 affect Google Chrome?

CVE-2021-30560 affects Google Chrome versions prior to 91.0.4472.164.

4

How does CVE-2021-30560 affect libxslt?

CVE-2021-30560 affects libxslt versions up to 1.1.35.

5

How do I fix CVE-2021-30560?

To fix CVE-2021-30560, update Google Chrome to version 91.0.4472.164 or later and libxslt to version 1.1.35 or later.

Company

Resources

Contact

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