
CVE catalog
CVE-2019-20892
net-snmp affected and fixed versions
net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.31% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Debiantrixie-security | net-snmp | 5.9.4+dfsg-2+deb13u1 | Fixed | [CVE-2019-20892] |
| Debiantrixie | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debiantrixie | net-snmp | 5.9.4+dfsg-2+deb13u1 | Fixed | [CVE-2019-20892] |
| Debiansid | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debiansid | net-snmp | 5.9.5.2+dfsg-3 | Fixed | [CVE-2019-20892] |
| Debianforky | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debianforky | net-snmp | 5.9.5.2+dfsg-3 | Fixed | [CVE-2019-20892] |
| Debianbookworm-security | net-snmp | 5.9.3+dfsg-2+deb12u1 | Fixed | [CVE-2019-20892] |
| Debianbookworm | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debianbookworm | net-snmp | 5.9.3+dfsg-2+deb12u1 | Fixed | [CVE-2019-20892] |
Showing 10 fix observations. All 17 observations, including unknown and conflicting reports, are available below.
Provider details and historical evidence
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Alpine3.11 | net-snmp | 5.8-r0 | UnknownSource applicability is not established | [ALPINE-CVE-2019-20892] |
| Alpine3.12 | net-snmp | 5.8-r0 | UnknownSource applicability is not established | [ALPINE-CVE-2019-20892] |
| Debianbookworm | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debianbookworm | net-snmp | 5.9.3+dfsg-2+deb12u1 | Fixed | [CVE-2019-20892] |
| Debianbookworm-security | net-snmp | 5.9.3+dfsg-2+deb12u1 | Fixed | [CVE-2019-20892] |
| Debianforky | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debianforky | net-snmp | 5.9.5.2+dfsg-3 | Fixed | [CVE-2019-20892] |
| Debiansid | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debiansid | net-snmp | 5.9.5.2+dfsg-3 | Fixed | [CVE-2019-20892] |
| Debiantrixie | net-snmp | 5.8+dfsg-3 | FixedDistribution-reported fixed boundary | [CVE-2019-20892] |
| Debiantrixie | net-snmp | 5.9.4+dfsg-2+deb13u1 | Fixed | [CVE-2019-20892] |
| Debiantrixie-security | net-snmp | 5.9.4+dfsg-2+deb13u1 | Fixed | [CVE-2019-20892] |
| Ubuntu20.04 | net-snmp | 5.7.3+dfsg-5ubuntu5 | UnknownSource applicability is not established | [UBUNTU-CVE-2019-20892][USN-4410-1] |
| Ubuntu20.04 | net-snmp | 5.7.3+dfsg-5ubuntu6 | UnknownSource applicability is not established | [UBUNTU-CVE-2019-20892][USN-4410-1] |
| Ubuntu20.04 | net-snmp | 5.8+dfsg-2ubuntu1 | UnknownSource applicability is not established | [UBUNTU-CVE-2019-20892][USN-4410-1] |
| Ubuntu20.04 | net-snmp | 5.8+dfsg-2ubuntu2 | UnknownSource applicability is not established | [UBUNTU-CVE-2019-20892][USN-4410-1] |
| Ubuntu20.04 | net-snmp | 5.8+dfsg-2ubuntu2.1 | UnknownSource applicability is not established | [UBUNTU-CVE-2019-20892][USN-4410-1] |
Original provider fields
{
"package_releases": [
{
"name": "net-snmp",
"status": "fixed",
"release": "sid",
"version": "5.9.5.2+dfsg-3"
},
{
"name": "net-snmp",
"status": "fixed",
"release": "forky",
"version": "5.9.5.2+dfsg-3"
},
{
"name": "net-snmp",
"status": "fixed",
"release": "trixie",
"version": "5.9.4+dfsg-2+deb13u1"
},
{
"name": "net-snmp",
"status": "fixed",
"release": "trixie-security",
"version": "5.9.4+dfsg-2+deb13u1"
},
{
"name": "net-snmp",
"status": "fixed",
"release": "bookworm",
"version": "5.9.3+dfsg-2+deb12u1"
},
{
"name": "net-snmp",
"status": "fixed",
"release": "bookworm-security",
"version": "5.9.3+dfsg-2+deb12u1"
}
],
"fixed_versions": [
{
"bug": 963713,
"name": "net-snmp",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "5.8+dfsg-3"
},
{
"bug": 963713,
"name": "net-snmp",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "5.8+dfsg-3"
},
{
"bug": 963713,
"name": "net-snmp",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "5.8+dfsg-3"
},
{
"bug": 963713,
"name": "net-snmp",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "5.8+dfsg-3"
}
],
"distribution_packages": [
{
"name": "net-snmp",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8-r0"
}
]
}
],
"release": "3.11",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2019-20892",
"fixed_version": "5.8-r0",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2019-20892",
"provider_updated_at": "2026-09-21T06:17:52.511820989Z",
"applicability_unknown": true
},
{
"name": "net-snmp",
"distro": "alpine",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8-r0"
}
]
}
],
"release": "3.12",
"versions": [],
"ecosystem": "apk",
"provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2019-20892",
"fixed_version": "5.8-r0",
"provider_source": "pypi",
"provider_record_id": "ALPINE-CVE-2019-20892",
"provider_updated_at": "2026-09-21T06:17:52.511820989Z",
"applicability_unknown": true
},
{
"name": "net-snmp",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8+dfsg-2ubuntu2.1"
}
]
}
],
"release": "20.04",
"versions": [
"5.7.3+dfsg-5ubuntu5",
"5.7.3+dfsg-5ubuntu6",
"5.8+dfsg-2ubuntu1",
"5.8+dfsg-2ubuntu2"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2019-20892",
"fixed_version": "5.8+dfsg-2ubuntu2.1",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2019-20892",
"provider_updated_at": "2026-04-22T12:17:59.019996Z",
"applicability_unknown": true
},
{
"name": "net-snmp",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8+dfsg-2ubuntu2.1"
}
]
}
],
"release": "20.04",
"versions": [
"5.7.3+dfsg-5ubuntu5",
"5.7.3+dfsg-5ubuntu6",
"5.8+dfsg-2ubuntu1",
"5.8+dfsg-2ubuntu2"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/USN-4410-1",
"fixed_version": "5.8+dfsg-2ubuntu2.1",
"provider_source": "pypi",
"provider_record_id": "USN-4410-1",
"provider_updated_at": "2026-04-22T10:05:31.459200Z",
"applicability_unknown": true
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libnetsnmptrapd40]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [libsnmp40]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [libsnmp-base]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· all · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· all · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· all · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· all · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [libsnmp-dev]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [libsnmp-perl]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [snmp]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [snmpd]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [snmptrapd]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· amd64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· amd64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· arm64 · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
- [tkmib]Unknown
Source package: [net-snmp]
Details (4)
5.9.3+dfsg-2+deb12u1· all · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· all · bookwormFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· all · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
5.9.3+dfsg-2+deb12u1· all · bookworm-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · bookworm; dsa · net-snmp · debian · 12
[Debian 13 (Trixie)]
- [libnetsnmptrapd40t64]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [libsnmp40t64]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [libsnmp-base]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· all · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· all · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· all · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· all · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [libsnmp-dev]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [libsnmp-perl]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [snmp]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [snmpd]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [snmptrapd]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· amd64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· amd64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· arm64 · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
- [tkmib]Unknown
Source package: [net-snmp]
Details (4)
5.9.4+dfsg-2+deb13u1· all · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· all · trixieFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· all · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
5.9.4+dfsg-2+deb13u1· all · trixie-securityFixed · Fixed:
5.8+dfsg-3dsa · net-snmp · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhba-2020_1376.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2019-20892]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-20892]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-20892]
- [https://osv.dev/vulnerability/USN-4410-1]
- [https://security-tracker.debian.org/tracker/CVE-2019-20892]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20892.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1591.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]