DEBIAN-CVE-2023-4911

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    DEBIAN-CVE-2023-4911

    Published: 3 Oct 2023Last Modified: 15 Sept 2026
    Upstream:
    CVE-2023-4911

    Summary:

    Details: 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.

    References: https://security-tracker.debian.org/tracker/CVE-2023-4911

    Affected packages

    Package

    Name: glibc

    Purl: pkg:deb/debian/glibc?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.36-9+deb12u3

    Affected versions

    2.36-9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    DEBIAN-CVE-2023-4911 | CVE-DB