CriticalFix available
trafficserver — security advisory
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.
- Products
- trafficserver
- Affected versions
- Not specified
- Fixed versions
- 9.1.1+ds-1
- CVEs
- CVE-2021-43082
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 01:21 UTC · Revision 1
Source evidence
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.
osv:DEBIAN-CVE-2021-43082
trafficserver
Fixed versions: 9.1.1+ds-1
Complete source record
{
"id": "7a1e8b3ed9e770c3e12f4f90d77f79eff15caaf3264532db8cccc541d4f84e5c",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-43082",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-43082",
"summary": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.",
"evidence": "osv:DEBIAN-CVE-2021-43082",
"products": [
{
"name": {
"value": "trafficserver",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.1.1+ds-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2021-43082",
"aliases": [
"DEBIAN-CVE-2021-43082"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.1.1+ds-1"
}
]
}
],
"package": {
"name": "trafficserver",
"purl": "pkg:deb/debian/trafficserver?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43082.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:04:38.917100345Z",
"provider": "osv",
"upstream": [
"CVE-2021-43082"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-43082"
]
},
"related_cves": [
{
"value": "CVE-2021-43082",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 423601,
"published_at": "2021-11-03T16:15:08.23+00:00"
}