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Related Vulnerabilities: CVE-2021-45960

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory). (CVE-2021-45960)

Source

ALAS-2022-1588

Amazon Linux AMI Security Advisory: ALAS-2022-1588
Advisory Release Date: 2022-05-31 23:47 Pacific
Advisory Updated Date: 2022-06-09 18:41 Pacific

Severity: Medium

References: CVE-2021-45960

Issue Overview:

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory). (CVE-2021-45960)

Affected Packages:

expat

Issue Correction:
Run yum update expat to update your system.

New Packages:

i686:
    expat-2.1.0-12.28.amzn1.i686
    expat-debuginfo-2.1.0-12.28.amzn1.i686
    expat-devel-2.1.0-12.28.amzn1.i686

src:
    expat-2.1.0-12.28.amzn1.src

x86_64:
    expat-debuginfo-2.1.0-12.28.amzn1.x86_64
    expat-devel-2.1.0-12.28.amzn1.x86_64
    expat-2.1.0-12.28.amzn1.x86_64

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ALAS-2022-1588

ALAS-2022-1588

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