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Linux Distros Unpatched Vulnerability : CVE-2026-91779

🗓️ 23 Sep 2026 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 2 Views

Local null pointer dereference in GNU Binutils 2.47 Eh Frame Handler via _bfd_elf_eh_frame_section_offset.

Related
Refs
Code
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-91779
15 Sep 202608:15
–cve
cvelist
Cvelist
CVE-2026-91779 GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference
15 Sep 202608:15
–cvelist
debiancve
Debian CVE
CVE-2026-91779
15 Sep 202608:15
–debiancve
euvd
EUVD
EUVD-2026-78325
15 Sep 202608:15
–euvd
mscve
Microsoft CVE
GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference
21 Sep 202608:03
–mscve
nvd
NVD
CVE-2026-91779
15 Sep 202609:16
–nvd
osv
OSV
AZL-103371 CVE-2026-91779 affecting package binutils 2.41-13
15 Sep 202609:16
–osv
osv
OSV
CGA-6V73-7PGH-RH6F
17 Sep 202612:39
–osv
osv
OSV
CGA-84Q2-7229-4H7W
17 Sep 202613:03
–osv
osv
OSV
CGA-FF4R-9V86-MXMR
17 Sep 202612:58
–osv
Rows per page
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# (C) Tenable, Inc.
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"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - A security flaw has been discovered in GNU Binutils 2.47. This affects the function
    _bfd_elf_eh_frame_section_offset of the file bfd/elf-eh-frame.c of the component Eh Frame Handler.
    Performing a manipulation results in null pointer dereference. The attack must be initiated from a local
    position. The exploit has been released to the public and may be used for attacks. The project was
    informed of the problem early through a bug report but has not responded yet. (CVE-2026-91779)

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if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/Debian/dpkg-l"))) audit(AUDIT_PACKAGE_LIST_MISSING);

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          {"reference": "libctf-nobfd0"},
          {"reference": "libctf-nobfd0-dbg"},
          {"reference": "libctf0"},
          {"reference": "libctf0-dbg"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "binutils"},
          {"reference": "binutils-aarch64-linux-gnu"},
          {"reference": "binutils-aarch64-linux-gnu-dbg"},
          {"reference": "binutils-alpha-linux-gnu"},
          {"reference": "binutils-alpha-linux-gnu-dbg"},
          {"reference": "binutils-arc-linux-gnu"},
          {"reference": "binutils-arc-linux-gnu-dbg"},
          {"reference": "binutils-arm-linux-gnueabi"},
          {"reference": "binutils-arm-linux-gnueabi-dbg"},
          {"reference": "binutils-arm-linux-gnueabihf"},
          {"reference": "binutils-arm-linux-gnueabihf-dbg"},
          {"reference": "binutils-common"},
          {"reference": "binutils-dev"},
          {"reference": "binutils-doc"},
          {"reference": "binutils-for-build"},
          {"reference": "binutils-for-host"},
          {"reference": "binutils-hppa-linux-gnu"},
          {"reference": "binutils-hppa-linux-gnu-dbg"},
          {"reference": "binutils-hppa64-linux-gnu"},
          {"reference": "binutils-hppa64-linux-gnu-dbg"},
          {"reference": "binutils-i686-linux-gnu"},
          {"reference": "binutils-i686-linux-gnu-dbg"},
          {"reference": "binutils-multiarch"},
          {"reference": "binutils-multiarch-dbg"},
          {"reference": "binutils-multiarch-dev"},
          {"reference": "binutils-powerpc64le-linux-gnu"},
          {"reference": "binutils-powerpc64le-linux-gnu-dbg"},
          {"reference": "binutils-s390x-linux-gnu"},
          {"reference": "binutils-s390x-linux-gnu-dbg"},
          {"reference": "binutils-source"},
          {"reference": "binutils-x86-64-linux-gnu"},
          {"reference": "binutils-x86-64-linux-gnu-dbg"},
          {"reference": "libbinutils"},
          {"reference": "libbinutils-dbg"},
          {"reference": "libctf-nobfd0"},
          {"reference": "libctf-nobfd0-dbg"},
          {"reference": "libctf0"},
          {"reference": "libctf0-dbg"},
          {"reference": "libgprofng0"},
          {"reference": "libgprofng0-dbg"},
          {"reference": "libsframe1"},
          {"reference": "libsframe1-dbg"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');

var third_party_support = get_kb_item('Host/OS/extended-third-party');
if (!empty_or_null(third_party_support)) {
    var third_party_vendors = distro_constraints_values['third_party'];
    if (!empty_or_null(third_party_vendors)) {
        var vendor;
        foreach vendor (third_party_vendors) {
            if (vendor == third_party_support) exit(0, 'A third party management patch is available for this vulnerability from ' + vendor + '.\n');
        }
    }
}

var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}

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24 Sep 2026 00:00Current
4.6Medium risk
Vulners AI Score4.6
CVSS 21.7
CVSS 3.13.3
CVSS 33.3
CVSS 44.8
EPSS0.0017
SSVC
2