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    CVE-2018-18605

    A heap-based buffer over-read issue was discovered in the function sec_merge_hash_lookup in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31, because _bfd_add_merge_section mishandles section merges when size is not a multiple of entsize. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.

    Published:Oct 21, 2018
    Last Modified:Nov 21, 2024
    EPS:Oct 23, 2018
    EPSS Score:0.00714
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Gnu
    Product
    Binutils
    Vendor
    Netapp
    Product
    Data Ontap

    Exploits

    https://sourceware.org/bugzilla/show_bug.cgi?id=23804https://sourceware.org/bugzilla/show_bug.cgi?id=23804

    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-2026-56968 (CVSS 3.7) — GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, w…
    CVE-2026-49975 (CVSS 7.5) — Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's mod_http leads to denial of …
    CVE-2026-9256 (CVSS 9.2) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerabilit…
    CVE-2026-31431 (CVSS 7.8) — In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating …
    CVE-2026-34757 (CVSS 5.1) — LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network …
    CVE-2026-4775 (CVSS 7.8) — A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerabili…
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    CVE-2026-3497 (CVSS 6.9) — Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects …
    CVE-2026-1940 (CVSS 5.1) — An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The p…

    References

    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
    http://www.securityfocus.com/bid/105754
    https://security.netapp.com/advisory/ntap-20190307-0003/
    https://sourceware.org/bugzilla/show_bug.cgi?id=23804
    https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=ab419ddbb2cdd17ca83618990f2cacf904ce1d61
    https://usn.ubuntu.com/4336-1/
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
    http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
    http://www.securityfocus.com/bid/105754
    https://security.netapp.com/advisory/ntap-20190307-0003/
    https://sourceware.org/bugzilla/show_bug.cgi?id=23804
    https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=ab419ddbb2cdd17ca83618990f2cacf904ce1d61
    https://usn.ubuntu.com/4336-1/

    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