Medium
Security advisory
gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-26676
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:34 UTC · Revision 1
Source evidence
gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.
osv:CVE-2021-26676
Complete source record
{
"id": "89bdbe92c37a1284c4527f62cd62309b7ed250e8be7ec698a1519176c87dc383",
"url": "https://osv.dev/vulnerability/CVE-2021-26676",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-26676",
"summary": "gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.",
"evidence": "osv:CVE-2021-26676",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-26676",
"aliases": [
"CVE-2021-26676"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/network/connman/connman.git",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "47bd7ab21bfbe115ca4a10b9b96bdbfeb6c35bff"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:intel:connman:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.39"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"1.38",
"1.37",
"1.36",
"1.35",
"1.34",
"1.33",
"1.32",
"1.31",
"1.30",
"1.29",
"1.28",
"1.27",
"1.26",
"1.25",
"1.24",
"1.23",
"1.22",
"1.21",
"1.20",
"1.19",
"1.18",
"1.17",
"1.16",
"1.15",
"1.14",
"1.13",
"1.12",
"1.11",
"1.10",
"1.9",
"1.8",
"1.7",
"1.6",
"1.5",
"1.4",
"1.3",
"1.2",
"1.1",
"1.0",
"0.85",
"0.84",
"0.83",
"0.82",
"0.81",
"0.80",
"0.79",
"0.78",
"0.77",
"0.76",
"0.75",
"0.74",
"0.73",
"0.72",
"0.71",
"0.70",
"0.69",
"0.68",
"0.67",
"0.66",
"0.65",
"0.64",
"0.63",
"0.62",
"0.61",
"0.60",
"0.59",
"0.58",
"0.57",
"0.56",
"0.55",
"0.54",
"0.53",
"0.52",
"0.51",
"0.50",
"0.49",
"0.48",
"0.47",
"0.46",
"0.45",
"0.44",
"0.43",
"0.42",
"0.41",
"0.40",
"0.39",
"0.38",
"0.37",
"0.36",
"0.35",
"0.34",
"0.33",
"0.32",
"0.31",
"0.30",
"0.29",
"0.28",
"0.27",
"0.26",
"0.25",
"0.24",
"0.23",
"0.22",
"0.21",
"0.20",
"0.19",
"0.18",
"0.17",
"0.16",
"0.15",
"0.14",
"0.13",
"0.12",
"0.11",
"0.10",
"0.9",
"0.8",
"0.7",
"0.6",
"0.5",
"0.4",
"0.3",
"0.2",
"0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26676.json"
}
}
],
"modified": "2026-10-24T10:30:41.483201932Z",
"provider": "osv",
"references": [
"https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog",
"https://kunnamon.io/tbone/",
"https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html",
"https://security.gentoo.org/glsa/202107-29",
"https://www.debian.org/security/2021/dsa-4847",
"https://www.openwall.com/lists/oss-security/2021/02/08/2",
"https://bugzilla.suse.com/show_bug.cgi?id=1181751",
"https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa",
"https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.2"
},
{
"last_affected": "15.2"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-26676",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435159,
"published_at": "2021-02-09T16:15:12.593+00:00"
}