USN-7543-1

Jan Różański discovered that libsoup incorrectly handled certain headers when sending HTTP/2 requests over TLS. An attacker could possibly use this issue to cause a denial of service. This issue only affected libsoup3 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-32908)

Jan Różański discovered that libsoup incorrectly parsed certain response headers. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-4476)

References

Affected packages

Ubuntu:20.04:LTS

libsoup2.4

Package

Name: libsoup2.4
Purl: pkg:deb/ubuntu/libsoup2.4@2.70.0-1ubuntu0.5?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.70.0-1ubuntu0.5

Affected versions

2.*

2.68.2-0ubuntu1

2.68.2-1

2.68.2-2

2.68.2-2build2

2.69.90-1

2.70.0-1

2.70.0-1ubuntu0.1

2.70.0-1ubuntu0.2

2.70.0-1ubuntu0.3

2.70.0-1ubuntu0.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.70.0-1ubuntu0.5",
            "binary_name": "gir1.2-soup-2.4"
        },
        {
            "binary_version": "2.70.0-1ubuntu0.5",
            "binary_name": "libsoup-gnome2.4-1"
        },
        {
            "binary_version": "2.70.0-1ubuntu0.5",
            "binary_name": "libsoup-gnome2.4-dev"
        },
        {
            "binary_version": "2.70.0-1ubuntu0.5",
            "binary_name": "libsoup2.4-1"
        },
        {
            "binary_version": "2.70.0-1ubuntu0.5",
            "binary_name": "libsoup2.4-dev"
        },
        {
            "binary_version": "2.70.0-1ubuntu0.5",
            "binary_name": "libsoup2.4-tests"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:22.04:LTS

libsoup2.4

Package

Name: libsoup2.4
Purl: pkg:deb/ubuntu/libsoup2.4@2.74.2-3ubuntu0.5?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.74.2-3ubuntu0.5

Affected versions

2.*

2.72.0-3ubuntu3

2.74.1-1

2.74.2-2

2.74.2-3

2.74.2-3ubuntu0.1

2.74.2-3ubuntu0.2

2.74.2-3ubuntu0.3

2.74.2-3ubuntu0.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "gir1.2-soup-2.4"
        },
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "libsoup-gnome2.4-1"
        },
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "libsoup-gnome2.4-dev"
        },
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "libsoup2.4-1"
        },
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "libsoup2.4-common"
        },
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "libsoup2.4-dev"
        },
        {
            "binary_version": "2.74.2-3ubuntu0.5",
            "binary_name": "libsoup2.4-tests"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

Ubuntu:24.04:LTS

libsoup2.4

Package

Name: libsoup2.4
Purl: pkg:deb/ubuntu/libsoup2.4@2.74.3-6ubuntu1.5?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.74.3-6ubuntu1.5

Affected versions

2.*

2.74.3-1

2.74.3-2

2.74.3-3

2.74.3-6

2.74.3-6build1

2.74.3-6ubuntu1

2.74.3-6ubuntu1.1

2.74.3-6ubuntu1.2

2.74.3-6ubuntu1.3

2.74.3-6ubuntu1.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "gir1.2-soup-2.4"
        },
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "libsoup-2.4-1"
        },
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "libsoup-gnome-2.4-1"
        },
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "libsoup-gnome2.4-dev"
        },
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "libsoup2.4-common"
        },
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "libsoup2.4-dev"
        },
        {
            "binary_version": "2.74.3-6ubuntu1.5",
            "binary_name": "libsoup2.4-tests"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-32908",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}

libsoup3

Package

Name: libsoup3
Purl: pkg:deb/ubuntu/libsoup3@3.4.4-5ubuntu0.4?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.4.4-5ubuntu0.4

Affected versions

3.*

3.4.2-4

3.4.4-1

3.4.4-2

3.4.4-4

3.4.4-5

3.4.4-5build1

3.4.4-5build2

3.4.4-5ubuntu0.1

3.4.4-5ubuntu0.2

3.4.4-5ubuntu0.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.4.4-5ubuntu0.4",
            "binary_name": "gir1.2-soup-3.0"
        },
        {
            "binary_version": "3.4.4-5ubuntu0.4",
            "binary_name": "libsoup-3.0-0"
        },
        {
            "binary_version": "3.4.4-5ubuntu0.4",
            "binary_name": "libsoup-3.0-common"
        },
        {
            "binary_version": "3.4.4-5ubuntu0.4",
            "binary_name": "libsoup-3.0-dev"
        },
        {
            "binary_version": "3.4.4-5ubuntu0.4",
            "binary_name": "libsoup-3.0-tests"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-32908",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}

Ubuntu:25.04

libsoup2.4

Package

Name: libsoup2.4
Purl: pkg:deb/ubuntu/libsoup2.4@2.74.3-10ubuntu0.3?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.74.3-10ubuntu0.3

Affected versions

2.*

2.74.3-7

2.74.3-8

2.74.3-8ubuntu1

2.74.3-8.1

2.74.3-9

2.74.3-10

2.74.3-10ubuntu0.1

2.74.3-10ubuntu0.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "gir1.2-soup-2.4"
        },
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "libsoup-2.4-1"
        },
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "libsoup-gnome-2.4-1"
        },
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "libsoup-gnome2.4-dev"
        },
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "libsoup2.4-common"
        },
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "libsoup2.4-dev"
        },
        {
            "binary_version": "2.74.3-10ubuntu0.3",
            "binary_name": "libsoup2.4-tests"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-32908",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.04"
}

libsoup3

Package

Name: libsoup3
Purl: pkg:deb/ubuntu/libsoup3@3.6.5-1ubuntu0.1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.6.5-1ubuntu0.1

Affected versions

3.*

3.6.0-2

3.6.0-3

3.6.0-4

3.6.1-1

3.6.4-1

3.6.4-2

3.6.4-3

3.6.5-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.6.5-1ubuntu0.1",
            "binary_name": "gir1.2-soup-3.0"
        },
        {
            "binary_version": "3.6.5-1ubuntu0.1",
            "binary_name": "libsoup-3.0-0"
        },
        {
            "binary_version": "3.6.5-1ubuntu0.1",
            "binary_name": "libsoup-3.0-common"
        },
        {
            "binary_version": "3.6.5-1ubuntu0.1",
            "binary_name": "libsoup-3.0-dev"
        },
        {
            "binary_version": "3.6.5-1ubuntu0.1",
            "binary_name": "libsoup-3.0-tests"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2025-32908",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.04"
}

Ubuntu:Pro:16.04:LTS

libsoup2.4

Package

Name: libsoup2.4
Purl: pkg:deb/ubuntu/libsoup2.4@2.52.2-1ubuntu0.3+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.52.2-1ubuntu0.3+esm3

Affected versions

2.*

2.50.0-2debian1

2.52.1-1

2.52.2-1

2.52.2-1ubuntu0.1

2.52.2-1ubuntu0.2

2.52.2-1ubuntu0.3

2.52.2-1ubuntu0.3+esm1

2.52.2-1ubuntu0.3+esm2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.52.2-1ubuntu0.3+esm3",
            "binary_name": "gir1.2-soup-2.4"
        },
        {
            "binary_version": "2.52.2-1ubuntu0.3+esm3",
            "binary_name": "libsoup-gnome2.4-1"
        },
        {
            "binary_version": "2.52.2-1ubuntu0.3+esm3",
            "binary_name": "libsoup-gnome2.4-dev"
        },
        {
            "binary_version": "2.52.2-1ubuntu0.3+esm3",
            "binary_name": "libsoup2.4-1"
        },
        {
            "binary_version": "2.52.2-1ubuntu0.3+esm3",
            "binary_name": "libsoup2.4-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:Pro:18.04:LTS

libsoup2.4

Package

Name: libsoup2.4
Purl: pkg:deb/ubuntu/libsoup2.4@2.62.1-1ubuntu0.4+esm4?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.62.1-1ubuntu0.4+esm4

Affected versions

2.*

2.60.1-1

2.60.2-1

2.60.2-2

2.60.3-1

2.61.90-1

2.62.0-1

2.62.1-1

2.62.1-1ubuntu0.1

2.62.1-1ubuntu0.3

2.62.1-1ubuntu0.4

2.62.1-1ubuntu0.4+esm1

2.62.1-1ubuntu0.4+esm2

2.62.1-1ubuntu0.4+esm3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.62.1-1ubuntu0.4+esm4",
            "binary_name": "gir1.2-soup-2.4"
        },
        {
            "binary_version": "2.62.1-1ubuntu0.4+esm4",
            "binary_name": "libsoup-gnome2.4-1"
        },
        {
            "binary_version": "2.62.1-1ubuntu0.4+esm4",
            "binary_name": "libsoup-gnome2.4-dev"
        },
        {
            "binary_version": "2.62.1-1ubuntu0.4+esm4",
            "binary_name": "libsoup2.4-1"
        },
        {
            "binary_version": "2.62.1-1ubuntu0.4+esm4",
            "binary_name": "libsoup2.4-dev"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

Ubuntu:Pro:22.04:LTS

libsoup3

Package

Name: libsoup3
Purl: pkg:deb/ubuntu/libsoup3@3.0.7-0ubuntu1+esm4?arch=source&distro=esm-apps/jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.0.7-0ubuntu1+esm4

Affected versions

3.*

3.0.4-2

3.0.4-3

3.0.5-1

3.0.7-0ubuntu1

3.0.7-0ubuntu1+esm1

3.0.7-0ubuntu1+esm2

3.0.7-0ubuntu1+esm3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "3.0.7-0ubuntu1+esm4",
            "binary_name": "gir1.2-soup-3.0"
        },
        {
            "binary_version": "3.0.7-0ubuntu1+esm4",
            "binary_name": "libsoup-3.0-0"
        },
        {
            "binary_version": "3.0.7-0ubuntu1+esm4",
            "binary_name": "libsoup-3.0-common"
        },
        {
            "binary_version": "3.0.7-0ubuntu1+esm4",
            "binary_name": "libsoup-3.0-dev"
        },
        {
            "binary_version": "3.0.7-0ubuntu1+esm4",
            "binary_name": "libsoup-3.0-tests"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2025-4476",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:22.04:LTS"
}