Ubuntu 16.04 ESM: 5922-1 Critical: FriBidi Denial Of Service
ubuntu
March 6, 2023
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 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)
...
Topics Covered
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: libfribidi-bin 0.19.7-1ubuntu0.1~esm1 libfribidi0 0.19.7-1ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-5922-1
CVE-2022-25308, CVE-2022-25309, CVE-2022-25310
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March 06, 2023
Topics Covered
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