usn-8157-1
Vulnerability from osv_ubuntu
Published
2026-04-08 12:37
Modified
2026-06-30 15:54
Summary
squid vulnerabilities
Details
It was discovered that Squid incorrectly handled certain ICP traffic. In environments where ICP support is enabled, a remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or obtain small amounts of sensitive information.
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-32748",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L",
"type": "CVSS_V4"
},
{
"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"
}
]
},
{
"id": "CVE-2026-33515",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33526",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
"type": "CVSS_V4"
},
{
"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": "squid",
"binary_version": "5.9-0ubuntu0.22.04.5"
},
{
"binary_name": "squid-cgi",
"binary_version": "5.9-0ubuntu0.22.04.5"
},
{
"binary_name": "squid-common",
"binary_version": "5.9-0ubuntu0.22.04.5"
},
{
"binary_name": "squid-openssl",
"binary_version": "5.9-0ubuntu0.22.04.5"
},
{
"binary_name": "squid-purge",
"binary_version": "5.9-0ubuntu0.22.04.5"
},
{
"binary_name": "squidclient",
"binary_version": "5.9-0ubuntu0.22.04.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "squid",
"purl": "pkg:deb/ubuntu/squid@5.9-0ubuntu0.22.04.5?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.9-0ubuntu0.22.04.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.13-10ubuntu5",
"5.2-1ubuntu1",
"5.2-1ubuntu3",
"5.2-1ubuntu4",
"5.2-1ubuntu4.1",
"5.2-1ubuntu4.2",
"5.2-1ubuntu4.3",
"5.7-0ubuntu0.22.04.1",
"5.7-0ubuntu0.22.04.2",
"5.7-0ubuntu0.22.04.3",
"5.7-0ubuntu0.22.04.4",
"5.9-0ubuntu0.22.04.1",
"5.9-0ubuntu0.22.04.2",
"5.9-0ubuntu0.22.04.3",
"5.9-0ubuntu0.22.04.4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-32748",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L",
"type": "CVSS_V4"
},
{
"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"
}
]
},
{
"id": "CVE-2026-33515",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33526",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
"type": "CVSS_V4"
},
{
"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": "squid",
"binary_version": "6.14-0ubuntu0.24.04.2"
},
{
"binary_name": "squid-cgi",
"binary_version": "6.14-0ubuntu0.24.04.2"
},
{
"binary_name": "squid-common",
"binary_version": "6.14-0ubuntu0.24.04.2"
},
{
"binary_name": "squid-openssl",
"binary_version": "6.14-0ubuntu0.24.04.2"
},
{
"binary_name": "squid-purge",
"binary_version": "6.14-0ubuntu0.24.04.2"
},
{
"binary_name": "squidclient",
"binary_version": "6.14-0ubuntu0.24.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "squid",
"purl": "pkg:deb/ubuntu/squid@6.14-0ubuntu0.24.04.2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.14-0ubuntu0.24.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.1-2ubuntu1",
"6.1-2ubuntu2",
"6.5-1ubuntu1",
"6.5-1ubuntu2",
"6.5-1ubuntu3",
"6.6-1ubuntu4",
"6.6-1ubuntu5",
"6.6-1ubuntu5.1",
"6.10-0ubuntu0.24.04.1",
"6.13-0ubuntu0.24.04.1",
"6.13-0ubuntu0.24.04.2",
"6.13-0ubuntu0.24.04.3",
"6.14-0ubuntu0.24.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-32748",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L",
"type": "CVSS_V4"
},
{
"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"
}
]
},
{
"id": "CVE-2026-33515",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-33526",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
"type": "CVSS_V4"
},
{
"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": "squid",
"binary_version": "6.14-0ubuntu0.25.10.2"
},
{
"binary_name": "squid-cgi",
"binary_version": "6.14-0ubuntu0.25.10.2"
},
{
"binary_name": "squid-common",
"binary_version": "6.14-0ubuntu0.25.10.2"
},
{
"binary_name": "squid-openssl",
"binary_version": "6.14-0ubuntu0.25.10.2"
},
{
"binary_name": "squid-purge",
"binary_version": "6.14-0ubuntu0.25.10.2"
},
{
"binary_name": "squidclient",
"binary_version": "6.14-0ubuntu0.25.10.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "squid",
"purl": "pkg:deb/ubuntu/squid@6.14-0ubuntu0.25.10.2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.14-0ubuntu0.25.10.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.13-1ubuntu1",
"6.13-1ubuntu2",
"6.13-1ubuntu3",
"6.13-1ubuntu4",
"6.13-1ubuntu4.1",
"6.14-0ubuntu0.25.10.1"
]
}
],
"aliases": [],
"details": "It was discovered that Squid incorrectly handled certain ICP traffic. In\nenvironments where ICP support is enabled, a remote attacker could use this\nissue to cause Squid to crash, resulting in a denial of service, or obtain\nsmall amounts of sensitive information.",
"id": "USN-8157-1",
"modified": "2026-06-30T15:54:55Z",
"published": "2026-04-08T12:37:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8157-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-32748"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-33515"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-33526"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "squid vulnerabilities",
"upstream": [
"UBUNTU-CVE-2026-32748",
"UBUNTU-CVE-2026-33515",
"UBUNTU-CVE-2026-33526"
]
}
Loading…
Loading…
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
Loading…
Loading…