usn-8430-1
Vulnerability from osv_ubuntu
Published
2026-06-15 16:19
Modified
2026-06-30 15:55
Summary
adsys vulnerabilities
Details
It was discovered that ADSys did not properly handle certain HTTP/2 frames. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-27141)
It was discovered that ADSys did not properly handle certain HTTP/2 SETTINGS frames. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2026-33814)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33814",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "adsys",
"binary_version": "0.9.2~20.04.2ubuntu0.1+esm2"
},
{
"binary_name": "adsys-windows",
"binary_version": "0.9.2~20.04.2ubuntu0.1+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "adsys",
"purl": "pkg:deb/ubuntu/adsys@0.9.2~20.04.2ubuntu0.1+esm2?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.9.2~20.04.2ubuntu0.1+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.8~22.04",
"0.9.2~20.04",
"0.9.2~20.04.1",
"0.9.2~20.04.2",
"0.9.2~20.04.2ubuntu0.1",
"0.9.2~20.04.2ubuntu0.1+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33814",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "adsys",
"binary_version": "0.16.3~22.04.2ubuntu0.22.04.1"
},
{
"binary_name": "adsys-windows",
"binary_version": "0.16.3~22.04.2ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "adsys",
"purl": "pkg:deb/ubuntu/adsys@0.16.3~22.04.2ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.16.3~22.04.2ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.7.1",
"0.7.1build1",
"0.8",
"0.8ubuntu1",
"0.8.1",
"0.8.2",
"0.8.3",
"0.8.4",
"0.8.5~22.04",
"0.9.2~22.04",
"0.9.2~22.04.1",
"0.9.2~22.04.2",
"0.14.1~22.04",
"0.14.2~22.04",
"0.14.2~22.04ubuntu0.1",
"0.14.3~22.04",
"0.14.3~22.04ubuntu0.1",
"0.16.3~22.04.1",
"0.16.3~22.04.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33814",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "adsys",
"binary_version": "0.16.3~24.04.2ubuntu0.24.04.1"
},
{
"binary_name": "adsys-windows",
"binary_version": "0.16.3~24.04.2ubuntu0.24.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "adsys",
"purl": "pkg:deb/ubuntu/adsys@0.16.3~24.04.2ubuntu0.24.04.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.16.3~24.04.2ubuntu0.24.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.13.1",
"0.13.2",
"0.13.3",
"0.14.1",
"0.14.1build1",
"0.14.1ubuntu0.24.04.1",
"0.14.2~24.04",
"0.14.2~24.04ubuntu0.1",
"0.14.3~24.04",
"0.14.3~24.04ubuntu0.1",
"0.16.3~24.04.1",
"0.16.3~24.04.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-33814",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:25.10"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "adsys",
"binary_version": "0.16.3ubuntu0.25.10.2"
},
{
"binary_name": "adsys-windows",
"binary_version": "0.16.3ubuntu0.25.10.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "adsys",
"purl": "pkg:deb/ubuntu/adsys@0.16.3ubuntu0.25.10.2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.16.3ubuntu0.25.10.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.16.3",
"0.16.3ubuntu0.25.10.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-27141",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33814",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "adsys",
"binary_version": "0.16.4ubuntu1.1"
},
{
"binary_name": "adsys-windows",
"binary_version": "0.16.4ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "adsys",
"purl": "pkg:deb/ubuntu/adsys@0.16.4ubuntu1.1?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.16.4ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.16.3",
"0.16.3ubuntu1",
"0.16.4",
"0.16.4ubuntu1"
]
}
],
"aliases": [],
"details": "It was discovered that ADSys did not properly handle certain HTTP/2 frames.\nA remote attacker could possibly use this issue to cause a denial of\nservice. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-27141)\n\nIt was discovered that ADSys did not properly handle certain HTTP/2\nSETTINGS frames. A remote attacker could possibly use this issue to cause a\ndenial of service. (CVE-2026-33814)",
"id": "USN-8430-1",
"modified": "2026-06-30T15:55:21Z",
"published": "2026-06-15T16:19:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8430-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-27141"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-33814"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "adsys vulnerabilities",
"upstream": [
"UBUNTU-CVE-2026-27141",
"UBUNTU-CVE-2026-33814"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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