CVE-2026-91781 (GCVE-0-2026-91781)

Vulnerability from cvelistv5 – Published: 2026-09-15 08:45 – Updated: 2026-09-15 13:39 X_Open Source
VLAI
Title
GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference
Summary
A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.
Severity
4.8 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.3 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
3.3 (Low)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:39 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3801 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
GNU Binutils Affected: 2.47
Unaffected: 2.48
    cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Ech06 (VulDB User)
Show details on NVD website
To clipboard 

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              "url": "https://vuldb.com/cve/CVE-2026-91781"
            },
            {
              "name": "Submit #933336 | GNU GNU Binutils binutils 2.47 NULL Pointer Dereference",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/submit/933336"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34449"
            },
            {
              "tags": [
                "exploit"
              ],
              "url": "https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449"
            },
            {
              "tags": [
                "broken-link",
                "patch"
              ],
              "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68"
            },
            {
              "tags": [
                "broken-link",
                "product"
              ],
              "url": "https://www.gnu.org/"
            }
          ],
          "tags": [
            "x_open-source"
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-09-15T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-09-15T02:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-09-15T04:06:33.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference",
          "x_generator": [
            "VulDB PVTS v202609"
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-91781",
        "datePublished": "2026-09-15T08:45:14.192Z",
        "dateReserved": "2026-09-15T02:01:16.001Z",
        "dateUpdated": "2026-09-15T13:39:13.272Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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