CVE-2020-21913: Use After Free
International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkgcreateWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/icuto a version that resolves this vulnerability.Fixed in 63.1-6+deb10u3Fixed in 63.1-6+deb10u2Fixed in 67.1-7Fixed in 72.1-3Fixed in 72.1-4
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-21913.
What is the severity of CVE-2020-21913?
The severity of CVE-2020-21913 is medium with a severity value of 5.5.
Which software is affected by CVE-2020-21913?
The affected software is International Components for Unicode (ICU) version 66.1 and Debian Linux version 9.0 and 10.0.
What is the vulnerability description of CVE-2020-21913?
CVE-2020-21913 is a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp in International Components for Unicode (ICU) version 66.1.
How can I fix CVE-2020-21913?
To fix CVE-2020-21913, update the affected software to the recommended versions: ICU version 63.1-6+deb10u3, 63.1-6+deb10u2, 67.1-7, 72.1-3, or 72.1-4.