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Integer Overflow or Wraparound Affecting glib2-fam package, versions <0:2.56.4-10.el8_4

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.42% (75th percentile)

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  • Snyk ID SNYK-RHEL8-GLIB2FAM-4048978
  • published 26 Jul 2021
  • disclosed 4 Feb 2021
Report a new vulnerability Found a mistake?

Introduced: 4 Feb 2021

CVE-2021-27219 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade RHEL:8 glib2-fam to version 0:2.56.4-10.el8_4 or higher.
This issue was patched in RHSA-2021:2170.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glib2-fam package and not the glib2-fam package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1
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NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

9.8 critical
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SUSE

6.1 medium