SB2022110444 - Fedora 37 update for mingw-pixman



SB2022110444 - Fedora 37 update for mingw-pixman

Published: November 4, 2022

Security Bulletin ID SB2022110444
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2022-44638)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the rasterize_edges_8() function. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.


2) Use-after-free (CVE-ID: CVE-2022-43680)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate. A remote attacker can trigger a use-after-free error and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.