Medium
Security advisory
In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-33294
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:24 UTC · Revision 1
Source evidence
In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.
osv:CVE-2021-33294
Complete source record
{
"id": "ec1ff267be039670fef951f3ac55c2087f9fd1dc43c57e42375b55b8d78c6989",
"url": "https://osv.dev/vulnerability/CVE-2021-33294",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-33294",
"summary": "In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.",
"evidence": "osv:CVE-2021-33294",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-33294",
"aliases": [
"CVE-2021-33294"
],
"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/elfutils.git",
"type": "GIT",
"events": [
{
"introduced": "bda19c410f124ba9e871314cd0e1461e181834eb"
},
{
"last_affected": "bda19c410f124ba9e871314cd0e1461e181834eb"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:elfutils_project:elfutils:0.183:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.183"
},
{
"last_affected": "0.183"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.183",
"elfutils-0.183"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33294.json"
}
}
],
"modified": "2026-10-24T10:31:07.098464195Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
"https://sourceware.org/bugzilla/show_bug.cgi?id=27501",
"https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.html"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-33294",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441132,
"published_at": "2023-07-18T14:15:11.673+00:00"
}