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    CVE-2026-90803

    A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 addresses this issue. The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component.

    Published:Sep 14, 2026
    Last Modified:Sep 18, 2026
    EPS:Sep 14, 2026
    EPSS Score:0.00124
    CVSS Score:5.3

    Affected Products

    Vendor
    Gnu
    Product
    Binutils

    Exploits

    https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.mdhttps://sourceware.org/bugzilla/show_bug.cgi?id=34444

    Related CVEs

    CVE-2026-91782 (CVSS 1.9) — A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allo…
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    CVE-2026-91780 (CVSS 1.9) — A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of …
    CVE-2026-91779 (CVSS 1.9) — A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_…
    CVE-2026-90831 (CVSS 1.9) — A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref…
    CVE-2026-90830 (CVSS 1.9) — A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_se…
    CVE-2026-90829 (CVSS 1.9) — A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_content…
    CVE-2026-90828 (CVSS 1.9) — A security flaw has been discovered in GNU Binutils 2.47. This vulnerability affects the function elf_orphan_c…
    CVE-2026-90804 (CVSS 0.9) — A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_secti…
    CVE-2026-90802 (CVSS 1.9) — A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbf…

    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