USN-7824-1

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

Affected packages

Ubuntu:24.04:LTS

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@5:7.0.15-1ubuntu0.24.04.2?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5:7.0.15-1ubuntu0.24.04.2

Affected versions

5:7.*

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

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"
        }
    ]
}

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"
}

Ubuntu:25.04

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@5:7.0.15-3ubuntu0.1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5:7.0.15-3ubuntu0.1

Affected versions

5:7.*

5:7.0.15-1build2

5:7.0.15-2

5:7.0.15-3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "redis",
            "binary_version": "5:7.0.15-3ubuntu0.1"
        },
        {
            "binary_name": "redis-sentinel",
            "binary_version": "5:7.0.15-3ubuntu0.1"
        },
        {
            "binary_name": "redis-server",
            "binary_version": "5:7.0.15-3ubuntu0.1"
        },
        {
            "binary_name": "redis-tools",
            "binary_version": "5:7.0.15-3ubuntu0.1"
        }
    ]
}

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:25.04"
}

Ubuntu:25.10

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@5:8.0.2-3ubuntu0.25.10.1?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5:8.0.2-3ubuntu0.25.10.1

Affected versions

5:7.*

5:7.0.15-3

5:7.0.15-3.1

5:8.*

5:8.0.2-3

5:8.0.2-3build1

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"
        }
    ]
}

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"
}

Ubuntu:Pro:14.04:LTS

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@2:2.8.4-2ubuntu0.2+esm5?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:2.8.4-2ubuntu0.2+esm5

Affected versions

2:2.*

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

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"
        }
    ]
}

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"
}

Ubuntu:Pro:16.04:LTS

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@2:3.0.6-1ubuntu0.4+esm4?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:3.0.6-1ubuntu0.4+esm4

Affected versions

2:3.*

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

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"
        }
    ]
}

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"
}

Ubuntu:Pro:18.04:LTS

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@5:4.0.9-1ubuntu0.2+esm6?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5:4.0.9-1ubuntu0.2+esm6

Affected versions

4:4.*

4:4.0.1-7

4:4.0.2-6

4:4.0.2-9

5:4.*

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

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"
        }
    ]
}

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"
}

Ubuntu:Pro:20.04:LTS

redis

Package

Name: redis
Purl: pkg:deb/ubuntu/redis@5:5.0.7-2ubuntu0.1+esm4?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5:5.0.7-2ubuntu0.1+esm4

Affected versions

5:5.*

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

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"
        }
    ]
}

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:20.04:LTS"
}