High
Security advisory
An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-3549
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:40 UTC · Revision 1
Source evidence
An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.
osv:CVE-2021-3549
Complete source record
{
"id": "b8ca11d7216443d964a2248420865051583a94b7e9ccfe324914a15ffa9c6392",
"url": "https://osv.dev/vulnerability/CVE-2021-3549",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-3549",
"summary": "An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.",
"evidence": "osv:CVE-2021-3549",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-3549",
"aliases": [
"CVE-2021-3549"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://sourceware.org/git/binutils-gdb.git",
"type": "GIT",
"events": [
{
"introduced": "9288e0fae61b716ce75334be906283de8b18b787"
},
{
"last_affected": "9288e0fae61b716ce75334be906283de8b18b787"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gnu:binutils:2.36:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.36"
},
{
"last_affected": "2.36"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.36",
"binutils-2_36"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3549.json"
}
}
],
"modified": "2026-10-24T10:30:56.473739864Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/202208-30",
"https://security.netapp.com/advisory/ntap-20250228-0005/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1960717"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-3549",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438681,
"published_at": "2021-05-26T21:15:08.347+00:00"
}