Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 510
Alerts This Week
Warning Icon 1 510

Ubuntu 18.04 LTS: USN-5133-1 Low: ICU Denial Of Service Issue

ubuntu
Calendar Grey November 5, 2021
Dist Ubuntu Esm H88
A vulnerability in ICU resolved in Ubuntu versions 18.04, 16.04, and 14.04 ESM. Malicious input could lead to a system crash.
ICU could be made to crash if it received specially crafted input.

Summary

ICU could be made to crash if it received specially crafted

input.

Software Description:

- icu: International Components for Unicode library

Details:

It was discovered that ICU contains a use after free issue.

An attacker could use this issue to cause a denial of service with

crafted input.

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu attack vector use after free ICU

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
icu-devtools 60.2-3ubuntu3.2
libicu60 60.2-3ubuntu3.2
libiculx60 60.2-3ubuntu3.2

Ubuntu 16.04 ESM:
icu-devtools 55.1-7ubuntu0.5+esm1
libicu55 55.1-7ubuntu0.5+esm1

Ubuntu 14.04 ESM:
icu-devtools 52.1-3ubuntu0.8+esm2
libicu52 52.1-3ubuntu0.8+esm2

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5133-1

CVE-2020-21913

Severity
low
Lowest
Low
Medium
High
Critical

November 04, 2021

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu attack vector use after free ICU

Package Information

https://launchpad.net/ubuntu/+source/icu/60.2-3ubuntu3.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.