SB2022052403 - Ubuntu update for libxrender

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Main Vulnerability Database SB2022052403

SB2022052403 - Ubuntu update for libxrender

Published: May 24, 2022

Security Bulletin ID SB2022052403
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2016-7949)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.


2) Out-of-bounds write (CVE-ID: CVE-2016-7950)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The XRenderQueryFilters function in X.org libXrender before 0.9.10 allows remote X servers to trigger out-of-bounds write operations via vectors involving filter name lengths.


Remediation

Install update from vendor's website.

References