Out-of-bounds Write Affecting glibc-minimal-langpack package, versions <2:2.28-225.0.4.ksplice1.el8_8.6



    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 1.57% (88th percentile)
Expand this section
7.8 high
Expand this section
Red Hat
7.8 high

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  • published 6 Oct 2023
  • disclosed 3 Oct 2023

How to fix?

Upgrade Oracle:8 glibc-minimal-langpack to version 2:2.28-225.0.4.ksplice1.el8_8.6 or higher.
This issue was patched in ELSA-2023-12872.

NVD Description

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

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.