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

×
Alerts This Week
Warning Icon 1 438
Alerts This Week
Warning Icon 1 438

Ubuntu 21.10: 5366-1 Critical: Memory Corruption in FriBidi Software

ubuntu
Calendar Grey April 7, 2022
Dist Ubuntu Esm H88
Updates addressing memory corruption and denial-of-service vulnerabilities in FriBidi for Ubuntu users are now available. Ensure your system's security with the latest patches from April 2022.
Several security issues were fixed in fribidi.

Summary

Several security issues were fixed in fribidi.

Software Description:

- fribidi: Free Implementation of the Unicode BiDi algorithm (utility)

Details:

It was discovered that FriBidi incorrectly handled processing of input

strings

resulting in memory corruption. An attacker could use this issue to cause

FriBidi to crash, resulting in a denial of service, or potentially execute

arbitrary code.

(CVE-2022-25308)

It was discovered that FriBidi incorrectly validated input data to its

CapRTL

unicode encoder, resulting in memory corruption. An attacker could use this

issue to cause FriBidi to crash, resulting in a denial of service, or

potentially execute arbitrary code.

(CVE-2022-25309)

It was discovered that FriBidi incorrectly handled empty input when removing

marks from unicode strings, resulting in a crash. An attacker could use this

to cause FriBidi to crash, resulting in a denial of service, or

potentially execute arbitrary code.

(CVE-2022-25310)

Topics%20covered

Topics Covered

security advisory denial of service critical memory corruption update instructions ubuntu fribidi

Update Instructions

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

Ubuntu 21.10:
libfribidi-bin 1.0.8-2ubuntu2.1
libfribidi0 1.0.8-2ubuntu2.1

Ubuntu 20.04 LTS:
libfribidi-bin 1.0.8-2ubuntu0.1
libfribidi0 1.0.8-2ubuntu0.1

Ubuntu 18.04 LTS:
libfribidi-bin 0.19.7-2ubuntu0.1
libfribidi0 0.19.7-2ubuntu0.1

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

References

https://ubuntu.com/security/notices/USN-5366-1

CVE-2022-25308, CVE-2022-25309, CVE-2022-25310

Severity
critical
Lowest
Low
Medium
High
Critical

April 07, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical memory corruption update instructions ubuntu fribidi

Package Information

https://launchpad.net/ubuntu/+source/fribidi/1.0.8-2ubuntu2.1
https://launchpad.net/ubuntu/+source/fribidi/1.0.8-2ubuntu0.1
https://launchpad.net/ubuntu/+source/fribidi/0.19.7-2ubuntu0.1

Get the latest News and Insights

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