Important: glib2

Issue Overview:

An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function g_bytes_new has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. (CVE-2021-27219)

Affected Packages:

glib2

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update glib2 to update your system.

New Packages:

aarch64:  
    glib2-2.56.1-9.amzn2.0.1.aarch64  
    glib2-devel-2.56.1-9.amzn2.0.1.aarch64  
    glib2-fam-2.56.1-9.amzn2.0.1.aarch64  
    glib2-static-2.56.1-9.amzn2.0.1.aarch64  
    glib2-tests-2.56.1-9.amzn2.0.1.aarch64  
    glib2-debuginfo-2.56.1-9.amzn2.0.1.aarch64  
  
i686:  
    glib2-2.56.1-9.amzn2.0.1.i686  
    glib2-devel-2.56.1-9.amzn2.0.1.i686  
    glib2-fam-2.56.1-9.amzn2.0.1.i686  
    glib2-static-2.56.1-9.amzn2.0.1.i686  
    glib2-tests-2.56.1-9.amzn2.0.1.i686  
    glib2-debuginfo-2.56.1-9.amzn2.0.1.i686  
  
noarch:  
    glib2-doc-2.56.1-9.amzn2.0.1.noarch  
  
src:  
    glib2-2.56.1-9.amzn2.0.1.src  
  
x86_64:  
    glib2-2.56.1-9.amzn2.0.1.x86_64  
    glib2-devel-2.56.1-9.amzn2.0.1.x86_64  
    glib2-fam-2.56.1-9.amzn2.0.1.x86_64  
    glib2-static-2.56.1-9.amzn2.0.1.x86_64  
    glib2-tests-2.56.1-9.amzn2.0.1.x86_64  
    glib2-debuginfo-2.56.1-9.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2021-27219

Mitre: CVE-2021-27219