Low
Security advisory
An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-35448
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:35 UTC · Revision 1
Source evidence
An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.
osv:CVE-2020-35448
Complete source record
{
"id": "c4ba4fa3447691a920d67deae1b2f1ddb0e85499fe62dbecd0ff86778d64fc12",
"url": "https://osv.dev/vulnerability/CVE-2020-35448",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-35448",
"summary": "An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.",
"evidence": "osv:CVE-2020-35448",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2020-35448",
"aliases": [
"CVE-2020-35448"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://sourceware.org/git/binutils-gdb.git",
"type": "GIT",
"events": [
{
"introduced": "7e46a74aa3713c563940960e361e08defda019c2"
},
{
"last_affected": "7e46a74aa3713c563940960e361e08defda019c2"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gnu:binutils:2.35.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.35.1"
},
{
"last_affected": "2.35.1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.35.1",
"binutils-2_35_1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35448.json"
}
}
],
"modified": "2026-10-24T10:30:30.882838523Z",
"provider": "osv",
"references": [
"https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=8642dafaef21aa6747cec01df1977e9c52eb4679",
"https://security.gentoo.org/glsa/202107-24",
"https://security.netapp.com/advisory/ntap-20210129-0008/",
"https://sourceware.org/bugzilla/show_bug.cgi?id=26574"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-35448",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432679,
"published_at": "2020-12-27T04:15:12.84+00:00"
}