USN-5922-1: FriBidi vulnerabilities

6 March 2023

Several security issues were fixed in fribidi.

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Releases

Packages

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

Details

It was discovered that FriBidi incorrectly handled the processing of input
strings, resulting in memory corruption. An attacker could possibly 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 possibly
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. An attacker could possibly use this to cause
FriBidi to crash, resulting in a denial of service, or potentially execute
arbitrary code. (CVE-2022-25310)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04

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

References

Related notices

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