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Integer Overflow or Wraparound Affecting pixman package, versions <0.33.6-1ubuntu0.1~esm1

medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.32% (71st percentile)
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NVD
8.8 high
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SUSE
8.8 high
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Red Hat
7 high

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  • Snyk ID SNYK-UBUNTU1604-PIXMAN-3100367
  • published 4 Nov 2022
  • disclosed 3 Nov 2022
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Introduced: 3 Nov 2022

CVE-2022-44638 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 pixman to version 0.33.6-1ubuntu0.1~esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pixman package and not the pixman package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.

References