MediumFix available
gobgp — security advisory
A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.
- Products
- gobgp
- Affected versions
- 3.10.0-1, 3.16.0-1, 3.19.0-1, 3.21.0-1, 3.23.0-1, 3.25.0-1, 3.27.0-1, 3.28.0-1, 3.29.0-1, 3.30.0-1, 3.31.0-1, 3.32.0-1, 3.33.0-1, 3.35.0-1, 3.36.0-1, 3.36.0-2, 4.3.0-1, 4.4.0-1, 4.5.0-1, 4.5.0-1~bpo13+1, 4.6.0-1, 4.6.0-2, 4.6.0-2~bpo13+1, 4.7.0-1, 4.7.0-1~bpo13+1, 4.8.0-1, 4.8.0-1~bpo13+1, 4.8.0-2~exp1
- Fixed versions
- 4.4.0-1
- CVEs
- CVE-2026-7735
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:53 UTC · Revision 2
Source evidence
A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.
osv:DEBIAN-CVE-2026-7735
gobgp
Fixed versions: Not specified
gobgp
Fixed versions: Not specified
gobgp
Fixed versions: 4.4.0-1
Complete source record
{
"id": "caa70a54ab6d63ac1ae675124a42590d5f7e5f3b5be3291c4b5d132ffabfe819",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-7735",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-7735",
"summary": "A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.",
"evidence": "osv:DEBIAN-CVE-2026-7735",
"products": [
{
"name": {
"value": "gobgp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.10.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.16.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.19.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.21.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.23.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.25.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.27.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.28.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.29.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.30.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.31.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.32.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.33.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.35.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.36.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.36.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.4.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.5.0-1~bpo13+1",
"evidence": "/affected/0/versions"
},
{
"value": "4.6.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.6.0-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.6.0-2~bpo13+1",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.7.0-1~bpo13+1",
"evidence": "/affected/0/versions"
},
{
"value": "4.8.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.8.0-1~bpo13+1",
"evidence": "/affected/0/versions"
},
{
"value": "4.8.0-2~exp1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "gobgp",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.36.0-2",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.4.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.5.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.5.0-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "4.6.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.6.0-2",
"evidence": "/affected/1/versions"
},
{
"value": "4.6.0-2~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7.0-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "4.8.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.8.0-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "4.8.0-2~exp1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "gobgp",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.4.0-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "3.36.0-2",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.0-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-7735",
"aliases": [
"DEBIAN-CVE-2026-7735"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gobgp",
"purl": "pkg:deb/debian/gobgp?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"3.10.0-1",
"3.16.0-1",
"3.19.0-1",
"3.21.0-1",
"3.23.0-1",
"3.25.0-1",
"3.27.0-1",
"3.28.0-1",
"3.29.0-1",
"3.30.0-1",
"3.31.0-1",
"3.32.0-1",
"3.33.0-1",
"3.35.0-1",
"3.36.0-1",
"3.36.0-2",
"4.3.0-1",
"4.4.0-1",
"4.5.0-1",
"4.5.0-1~bpo13+1",
"4.6.0-1",
"4.6.0-2",
"4.6.0-2~bpo13+1",
"4.7.0-1",
"4.7.0-1~bpo13+1",
"4.8.0-1",
"4.8.0-1~bpo13+1",
"4.8.0-2~exp1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7735.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gobgp",
"purl": "pkg:deb/debian/gobgp?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"3.36.0-2",
"4.3.0-1",
"4.4.0-1",
"4.5.0-1",
"4.5.0-1~bpo13+1",
"4.6.0-1",
"4.6.0-2",
"4.6.0-2~bpo13+1",
"4.7.0-1",
"4.7.0-1~bpo13+1",
"4.8.0-1",
"4.8.0-1~bpo13+1",
"4.8.0-2~exp1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7735.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.0-1"
}
]
}
],
"package": {
"name": "gobgp",
"purl": "pkg:deb/debian/gobgp?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"3.36.0-2",
"4.3.0-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7735.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-27T10:02:16.009975854Z",
"provider": "osv",
"upstream": [
"CVE-2026-7735"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-7735"
]
},
"related_cves": [
{
"value": "CVE-2026-7735",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 461422,
"published_at": "2026-05-04T06:16:02.367+00:00"
}