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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-35495

There's a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-35495
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 06:31 UTC · Revision 1

Source evidence

CVE-2020-35495

core-osv · Original source

Published 4 Jan 2021, 15:15 UTC

There's a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34.

osv:CVE-2020-35495
Complete source record
{
  "id": "3227a4ecb67069b2b07f07142cc1dcc789626d5c17cc9a9cd5cd2b2b193abec4",
  "url": "https://osv.dev/vulnerability/CVE-2020-35495",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35495",
    "summary": "There's a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34.",
    "evidence": "osv:CVE-2020-35495",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35495",
      "aliases": [
        "CVE-2020-35495"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://sourceware.org/git/binutils-gdb.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "d7f734bc7e9e5fb6c33b433973b57e1eed3a7e9f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.34"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "gdb-9-branchpoint",
            "gdb-8.3-branchpoint",
            "users/ARM/embedded-gdb-master-2018q4",
            "users/ARM/embedded-binutils-master-2018q4",
            "gdb-8.2-branchpoint",
            "gdb-8.1-branchpoint",
            "users/ARM/embedded-gdb-master-2017q4",
            "users/ARM/embedded-binutils-master-2017q4",
            "gdb-8.0-branchpoint",
            "users/ARM/embedded-binutils-master-2016q4",
            "gdb-7.12-branchpoint",
            "gdb-7.11-branchpoint",
            "gdb-7.10-branchpoint",
            "gdb-7.9-branchpoint",
            "gdb-7.8-branchpoint",
            "gdb-7.7-branchpoint",
            "gdb_7_6-branchpoint",
            "gdb_7_5-branchpoint",
            "gdb_7_4-branchpoint",
            "gdb_7_3-branchpoint",
            "gdb_7_2-branchpoint",
            "gdb_7_1-branchpoint",
            "gdb_7_0-branchpoint",
            "gdb_6_8-branchpoint",
            "gdb_6_7-branchpoint",
            "gdb_6_6-branchpoint",
            "gdb_6_5-branchpoint",
            "gdb_6_4-branchpoint",
            "gdb_6_3-branchpoint",
            "gdb_6_2-branchpoint",
            "gdb_6_1-branchpoint",
            "gdb_6_0-branchpoint",
            "gdb_5_3-branchpoint",
            "gdb_5_2-branchpoint",
            "gdb-4_18-branchpoint"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35495.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.683107611Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/",
        "https://security.gentoo.org/glsa/202107-24",
        "https://security.netapp.com/advisory/ntap-20210212-0007/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=1911441"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-35495",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434979,
  "published_at": "2021-01-04T15:15:13.667+00:00"
}