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    CVE-2026-15003

    A flaw was found in the GNU Binutils (Binary Utilities) linker. This vulnerability, a heap-buffer-overflow read (CWE-125), occurs when the linker processes a specially crafted 32-bit XCOFF (Extended Common Object File Format) object file. An attacker could exploit this by providing a malicious file, leading to an out-of-bounds read of memory. This can result in information disclosure, potentially revealing sensitive heap data, and a Denial of Service (DoS) due to the linker crashing.

    Published:Jul 27, 2026
    Last Modified:Jul 28, 2026
    EPS:Jul 27, 2026
    EPSS Score:0.00105
    CVSS Score:5.6

    Affected Products

    Vendor
    Gnu
    Product
    Binutils
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Hardened Images
    Vendor
    Redhat
    Product
    Hummingbird
    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift Container Platform

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-18220 (CVSS 7.8) — An out-of-bounds write vulnerability was found in the BFD library's DLX ELF backend (bfd/elf32-dlx.c) in GNU b…
    CVE-2026-6845 (CVSS 5) — A flaw was found in binutils, specifically within the `readelf` utility. This vulnerability allows a local att…
    CVE-2026-6844 (CVSS 5.5) — A flaw was found in the `readelf` utility of the binutils package. A local attacker could exploit two Denial o…
    CVE-2026-6846 (CVSS 7.8) — A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted …
    CVE-2026-4647 (CVSS 6.1) — A flaw was found in the GNU Binutils BFD library, a widely used component for handling binary files such as ob…
    CVE-2025-69648 (CVSS 6.2) — GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary w…
    CVE-2025-69647 (CVSS 6.2) — GNU Binutils thru 2.45.1 readelf contains a denial-of-service vulnerability when processing a crafted binary w…
    CVE-2025-69645 (CVSS 5.5) — Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DW…

    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