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    CVE-2018-6485

    An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

    Published:Oct 10, 2017
    Last Modified:Nov 21, 2024
    EPS:Feb 1, 2018
    EPSS Score:0.00663
    CVSS Score:9.8

    Affected Products

    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    Data Ontap Edge
    Vendor
    Netapp
    Product
    Element Software
    Vendor
    Netapp
    Product
    Element Software Management
    Vendor
    Netapp
    Product
    Steelstore Cloud Integrated Storage
    Vendor
    Netapp
    Product
    Storage Replication Adapter
    Vendor
    Netapp
    Product
    Vasa Provider
    Vendor
    Netapp
    Product
    Virtual Storage Console
    Vendor
    Oracle
    Product
    Communications Session Border Controller
    Vendor
    Oracle
    Product
    Enterprise Communications Broker
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Virtualization Host

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2026-19499 (CVSS 6.8) — A flaw was found in glibc. The strfmon and strfmon_l functions are vulnerable to a buffer overflow when proces…
    CVE-2026-19542 (CVSS 4.2) — A flaw was found in glibc. An out-of-bounds array write vulnerability exists within the `tdelete` function. Th…
    CVE-2026-6368 (CVSS 2.1) — Calling wordexp with WRDE_APPEND in the GNU C Library version 2.0 to version 2.43 can cause the interface to r…
    CVE-2026-6238 (CVSS 6.5) — The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.0.1 to version 2…
    CVE-2026-5435 (CVSS 7.3) — The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail…
    CVE-2026-5450 (CVSS 9.8) — Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 t…
    CVE-2026-5928 (CVSS 7.5) — Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlap…
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    References

    http://bugs.debian.org/878159
    http://www.securityfocus.com/bid/102912
    https://access.redhat.com/errata/RHBA-2019:0327
    https://access.redhat.com/errata/RHSA-2018:3092
    https://security.netapp.com/advisory/ntap-20190404-0003/
    https://sourceware.org/bugzilla/show_bug.cgi?id=22343
    https://usn.ubuntu.com/4218-1/
    https://usn.ubuntu.com/4416-1/
    https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
    http://bugs.debian.org/878159
    http://www.securityfocus.com/bid/102912
    https://access.redhat.com/errata/RHBA-2019:0327
    https://access.redhat.com/errata/RHSA-2018:3092
    https://security.netapp.com/advisory/ntap-20190404-0003/
    https://sourceware.org/bugzilla/show_bug.cgi?id=22343
    https://usn.ubuntu.com/4218-1/
    https://usn.ubuntu.com/4416-1/
    https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

    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