usn-7824-1
Vulnerability from osv_ubuntu
Published
2025-10-15 15:33
Modified
2026-06-25 10:46
Summary
redis vulnerability
Details
Benny Isaacs, Nir Brakha, and Sagi Tzadik discovered that Redis incorrectly handled memory when running Lua scripts. An authenticated attacker could use this vulnerability to trigger a use-after-free condition, and potentially achieve remote code execution on the Redis server.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-49844",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"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": "redis-server",
"binary_version": "2:2.8.4-2ubuntu0.2+esm5"
},
{
"binary_name": "redis-tools",
"binary_version": "2:2.8.4-2ubuntu0.2+esm5"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "redis",
"purl": "pkg:deb/ubuntu/redis@2:2.8.4-2ubuntu0.2+esm5?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:2.8.4-2ubuntu0.2+esm5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:2.6.13-1",
"2:2.6.16-3",
"2:2.8.0-1",
"2:2.8.2-1",
"2:2.8.4-2",
"2:2.8.4-2ubuntu0.2",
"2:2.8.4-2ubuntu0.2+esm1",
"2:2.8.4-2ubuntu0.2+esm2",
"2:2.8.4-2ubuntu0.2+esm3",
"2:2.8.4-2ubuntu0.2+esm4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-49844",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "redis-sentinel",
"binary_version": "2:3.0.6-1ubuntu0.4+esm4"
},
{
"binary_name": "redis-server",
"binary_version": "2:3.0.6-1ubuntu0.4+esm4"
},
{
"binary_name": "redis-tools",
"binary_version": "2:3.0.6-1ubuntu0.4+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "redis",
"purl": "pkg:deb/ubuntu/redis@2:3.0.6-1ubuntu0.4+esm4?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:3.0.6-1ubuntu0.4+esm4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:3.0.3-3",
"2:3.0.5-1",
"2:3.0.5-2",
"2:3.0.5-3",
"2:3.0.5-4",
"2:3.0.6-1",
"2:3.0.6-1ubuntu0.2",
"2:3.0.6-1ubuntu0.3",
"2:3.0.6-1ubuntu0.4",
"2:3.0.6-1ubuntu0.4+esm1",
"2:3.0.6-1ubuntu0.4+esm2",
"2:3.0.6-1ubuntu0.4+esm3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-49844",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "redis",
"binary_version": "5:4.0.9-1ubuntu0.2+esm6"
},
{
"binary_name": "redis-sentinel",
"binary_version": "5:4.0.9-1ubuntu0.2+esm6"
},
{
"binary_name": "redis-server",
"binary_version": "5:4.0.9-1ubuntu0.2+esm6"
},
{
"binary_name": "redis-tools",
"binary_version": "5:4.0.9-1ubuntu0.2+esm6"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "redis",
"purl": "pkg:deb/ubuntu/redis@5:4.0.9-1ubuntu0.2+esm6?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5:4.0.9-1ubuntu0.2+esm6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4:4.0.1-7",
"4:4.0.2-6",
"4:4.0.2-9",
"5:4.0.5-1",
"5:4.0.6-1",
"5:4.0.6-2",
"5:4.0.7-1",
"5:4.0.8-1",
"5:4.0.8-2",
"5:4.0.9-1",
"5:4.0.9-1ubuntu0.1",
"5:4.0.9-1ubuntu0.2",
"5:4.0.9-1ubuntu0.2+esm2",
"5:4.0.9-1ubuntu0.2+esm3",
"5:4.0.9-1ubuntu0.2+esm4",
"5:4.0.9-1ubuntu0.2+esm5"
]
},
{
"database_specific": {
"cves_map": {
"cves": [],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "redis",
"binary_version": "5:5.0.7-2ubuntu0.1+esm4"
},
{
"binary_name": "redis-sentinel",
"binary_version": "5:5.0.7-2ubuntu0.1+esm4"
},
{
"binary_name": "redis-server",
"binary_version": "5:5.0.7-2ubuntu0.1+esm4"
},
{
"binary_name": "redis-tools",
"binary_version": "5:5.0.7-2ubuntu0.1+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "redis",
"purl": "pkg:deb/ubuntu/redis@5:5.0.7-2ubuntu0.1+esm4?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5:5.0.7-2ubuntu0.1+esm4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5:5.0.5-2build1",
"5:5.0.6-1",
"5:5.0.7-1",
"5:5.0.7-2",
"5:5.0.7-2ubuntu0.1~esm1",
"5:5.0.7-2ubuntu0.1",
"5:5.0.7-2ubuntu0.1+esm1",
"5:5.0.7-2ubuntu0.1+esm2",
"5:5.0.7-2ubuntu0.1+esm3"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-49844",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "redis",
"binary_version": "5:7.0.15-1ubuntu0.24.04.2"
},
{
"binary_name": "redis-sentinel",
"binary_version": "5:7.0.15-1ubuntu0.24.04.2"
},
{
"binary_name": "redis-server",
"binary_version": "5:7.0.15-1ubuntu0.24.04.2"
},
{
"binary_name": "redis-tools",
"binary_version": "5:7.0.15-1ubuntu0.24.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "redis",
"purl": "pkg:deb/ubuntu/redis@5:7.0.15-1ubuntu0.24.04.2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5:7.0.15-1ubuntu0.24.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5:7.0.12-1",
"5:7.0.14-1",
"5:7.0.14-2",
"5:7.0.15-1",
"5:7.0.15-1build1",
"5:7.0.15-1build2",
"5:7.0.15-1ubuntu0.24.04.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-49844",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:25.10"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "redis",
"binary_version": "5:8.0.2-3ubuntu0.25.10.1"
},
{
"binary_name": "redis-sentinel",
"binary_version": "5:8.0.2-3ubuntu0.25.10.1"
},
{
"binary_name": "redis-server",
"binary_version": "5:8.0.2-3ubuntu0.25.10.1"
},
{
"binary_name": "redis-tools",
"binary_version": "5:8.0.2-3ubuntu0.25.10.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "redis",
"purl": "pkg:deb/ubuntu/redis@5:8.0.2-3ubuntu0.25.10.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5:8.0.2-3ubuntu0.25.10.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5:7.0.15-3",
"5:7.0.15-3.1",
"5:8.0.2-3",
"5:8.0.2-3build1"
]
}
],
"aliases": [],
"details": "Benny Isaacs, Nir Brakha, and Sagi Tzadik discovered that Redis incorrectly\nhandled memory when running Lua scripts. An authenticated attacker could\nuse this vulnerability to trigger a use-after-free condition, and\npotentially achieve remote code execution on the Redis server.",
"id": "USN-7824-1",
"modified": "2026-06-25T10:46:58Z",
"published": "2025-10-15T15:33:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7824-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-49844"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "redis vulnerability",
"upstream": [
"UBUNTU-CVE-2025-49844"
]
}
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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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