Medium
openbgpd — security advisory
In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.
- Products
- openbgpd
- Affected versions
- 7.0-1, 7.2-1, 8.1-1, 8.3-1, 8.3-1build2, 8.8-1, 8.9-1, 9.0-1, 9.1-1, 9.2-1
- Fixed versions
- Not specified
- CVEs
- CVE-2023-38283
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:43 UTC · Revision 1
Source evidence
In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.
osv:UBUNTU-CVE-2023-38283
openbgpd
Fixed versions: Not specified
openbgpd
Fixed versions: Not specified
openbgpd
Fixed versions: Not specified
openbgpd
Fixed versions: Not specified
openbgpd
Fixed versions: Not specified
Complete source record
{
"id": "dcf84e0359b27a5ebab71f5d94d61fcdb8bca3b26e387a0d450e71cdc40779ad",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-38283",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2023-38283",
"summary": "In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.",
"evidence": "osv:UBUNTU-CVE-2023-38283",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "7.2-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "8.1-1",
"evidence": "/affected/1/versions"
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{
"value": "8.3-1",
"evidence": "/affected/1/versions"
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{
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"evidence": "/affected/1/versions"
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{
"name": {
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"affected_versions": [
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{
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"affected_versions": [
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{
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{
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{
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"affected_versions": [
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{
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{
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}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2023-38283",
"aliases": [
"UBUNTU-CVE-2023-38283"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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]
}
],
"package": {
"name": "openbgpd",
"purl": "pkg:deb/ubuntu/openbgpd?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
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"7.2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"
},
"ecosystem_specific": {
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}
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{
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"package": {
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"purl": "pkg:deb/ubuntu/openbgpd?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"8.1-1",
"8.3-1",
"8.3-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"
},
"ecosystem_specific": {
"binaries": [
{
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"binary_version": "8.3-1build2"
}
]
}
},
{
"ranges": [
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"package": {
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"ecosystem": "Ubuntu:25.10"
},
"versions": [
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],
"database_specific": {
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]
}
},
{
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"package": {
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"purl": "pkg:deb/ubuntu/openbgpd?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
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"9.1-1",
"9.2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openbgpd",
"binary_version": "9.2-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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],
"package": {
"name": "openbgpd",
"purl": "pkg:deb/ubuntu/openbgpd?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"8.8-1",
"8.9-1",
"9.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-38283.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openbgpd",
"binary_version": "9.0-1"
}
]
}
}
],
"modified": "2026-10-17T12:57:20.534810609Z",
"provider": "osv",
"upstream": [
"CVE-2023-38283"
],
"references": [
"https://ubuntu.com/security/CVE-2023-38283",
"https://news.ycombinator.com/item?id=37305800",
"https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig",
"https://www.openbsd.org/errata73.html",
"https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling",
"https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1",
"https://www.cve.org/CVERecord?id=CVE-2023-38283"
]
},
"related_cves": [
{
"value": "CVE-2023-38283",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 357248,
"published_at": "2023-08-29T16:15:00+00:00"
}