MediumFix available
elfutils — 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
- elfutils
- Affected versions
- Not specified
- Fixed versions
- 0.185-2
- CVEs
- CVE-2021-33294
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:36 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:DEBIAN-CVE-2021-33294
elfutils
Fixed versions: 0.185-2
elfutils
Fixed versions: 0.185-2
elfutils
Fixed versions: 0.185-2
Complete source record
{
"id": "d3dcff1eb609d5598b64d800c8c4b3a60f23f8dc228294630ad9ea089b0c4e29",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-33294",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-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:DEBIAN-CVE-2021-33294",
"products": [
{
"name": {
"value": "elfutils",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.185-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "elfutils",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.185-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "elfutils",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2021-33294",
"aliases": [
"DEBIAN-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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.185-2"
}
]
}
],
"package": {
"name": "elfutils",
"purl": "pkg:deb/debian/elfutils?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-33294.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
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{
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}
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],
"package": {
"name": "elfutils",
"purl": "pkg:deb/debian/elfutils?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-33294.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
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"type": "ECOSYSTEM",
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{
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},
{
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],
"package": {
"name": "elfutils",
"purl": "pkg:deb/debian/elfutils?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-33294.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-15T09:47:34.182054553Z",
"provider": "osv",
"upstream": [
"CVE-2021-33294"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-33294"
]
},
"related_cves": [
{
"value": "CVE-2021-33294",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 327728,
"published_at": "2023-07-18T14:15:11.673+00:00"
}