usn-7507-1
Vulnerability from osv_ubuntu
It was discovered that Rack incorrectly handled deleted rack sessions. An attacker could possibly use this issue to expose sensitive information or to gain unauthorized access to user accounts. (CVE-2025-32441)
It was discovered that Rack incorrectly limited the number of parameters in a web request. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-46727)
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-32441",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "librack-ruby",
"binary_version": "1.5.2-3+deb8u3ubuntu1~esm10"
},
{
"binary_name": "librack-ruby1.8",
"binary_version": "1.5.2-3+deb8u3ubuntu1~esm10"
},
{
"binary_name": "librack-ruby1.9.1",
"binary_version": "1.5.2-3+deb8u3ubuntu1~esm10"
},
{
"binary_name": "ruby-rack",
"binary_version": "1.5.2-3+deb8u3ubuntu1~esm10"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "ruby-rack",
"purl": "pkg:deb/ubuntu/ruby-rack@1.5.2-3+deb8u3ubuntu1~esm10?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.2-3+deb8u3ubuntu1~esm10"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.2-1",
"1.5.2-1ubuntu0.1~esm1",
"1.5.2-3+deb8u3ubuntu1~esm2",
"1.5.2-3+deb8u3ubuntu1~esm3",
"1.5.2-3+deb8u3ubuntu1~esm4",
"1.5.2-3+deb8u3ubuntu1~esm6",
"1.5.2-3+deb8u3ubuntu1~esm7",
"1.5.2-3+deb8u3ubuntu1~esm8",
"1.5.2-3+deb8u3ubuntu1~esm9"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-32441",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "ruby-rack",
"binary_version": "1.6.4-3ubuntu0.2+esm8"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "ruby-rack",
"purl": "pkg:deb/ubuntu/ruby-rack@1.6.4-3ubuntu0.2+esm8?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.4-3ubuntu0.2+esm8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.2-4",
"1.6.4-2",
"1.6.4-3",
"1.6.4-3ubuntu0.1",
"1.6.4-3ubuntu0.2",
"1.6.4-3ubuntu0.2+esm1",
"1.6.4-3ubuntu0.2+esm2",
"1.6.4-3ubuntu0.2+esm4",
"1.6.4-3ubuntu0.2+esm5",
"1.6.4-3ubuntu0.2+esm6",
"1.6.4-3ubuntu0.2+esm7"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-32441",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "ruby-rack",
"binary_version": "1.6.4-4ubuntu0.2+esm8"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "ruby-rack",
"purl": "pkg:deb/ubuntu/ruby-rack@1.6.4-4ubuntu0.2+esm8?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.4-4ubuntu0.2+esm8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6.4-4",
"1.6.4-4ubuntu0.1",
"1.6.4-4ubuntu0.2",
"1.6.4-4ubuntu0.2+esm1",
"1.6.4-4ubuntu0.2+esm2",
"1.6.4-4ubuntu0.2+esm4",
"1.6.4-4ubuntu0.2+esm5",
"1.6.4-4ubuntu0.2+esm6",
"1.6.4-4ubuntu0.2+esm7"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-32441",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2025-46727",
"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": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "ruby-rack",
"binary_version": "2.0.7-2ubuntu0.1+esm7"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "ruby-rack",
"purl": "pkg:deb/ubuntu/ruby-rack@2.0.7-2ubuntu0.1+esm7?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.7-2ubuntu0.1+esm7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.6-3",
"2.0.7-2",
"2.0.7-2ubuntu0.1",
"2.0.7-2ubuntu0.1+esm1",
"2.0.7-2ubuntu0.1+esm2",
"2.0.7-2ubuntu0.1+esm3",
"2.0.7-2ubuntu0.1+esm4",
"2.0.7-2ubuntu0.1+esm5",
"2.0.7-2ubuntu0.1+esm6"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-32441",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2025-46727",
"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": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "ruby-rack",
"binary_version": "2.1.4-5ubuntu1.1+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "ruby-rack",
"purl": "pkg:deb/ubuntu/ruby-rack@2.1.4-5ubuntu1.1+esm2?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.4-5ubuntu1.1+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.4-3",
"2.1.4-4",
"2.1.4-5",
"2.1.4-5ubuntu1",
"2.1.4-5ubuntu1+esm2",
"2.1.4-5ubuntu1+esm3",
"2.1.4-5ubuntu1+esm4",
"2.1.4-5ubuntu1+esm5",
"2.1.4-5ubuntu1.1",
"2.1.4-5ubuntu1.1+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-32441",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2025-46727",
"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": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ruby-rack",
"binary_version": "2.2.7-1ubuntu0.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "ruby-rack",
"purl": "pkg:deb/ubuntu/ruby-rack@2.2.7-1ubuntu0.3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.7-1ubuntu0.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.4-3",
"2.2.7-1",
"2.2.7-1ubuntu0.1",
"2.2.7-1ubuntu0.2"
]
}
],
"aliases": [],
"details": "It was discovered that Rack incorrectly handled deleted rack sessions. An\nattacker could possibly use this issue to expose sensitive information or\nto gain unauthorized access to user accounts. (CVE-2025-32441)\n\nIt was discovered that Rack incorrectly limited the number of parameters\nin a web request. An attacker could possibly use this issue to cause a\ndenial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04\nLTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-46727)",
"id": "USN-7507-1",
"modified": "2026-06-25T10:46:48Z",
"published": "2025-05-12T13:03:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7507-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-32441"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-46727"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "ruby-rack vulnerabilities",
"upstream": [
"UBUNTU-CVE-2025-32441",
"UBUNTU-CVE-2025-46727"
]
}
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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.