USN-7251-1

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Source
https://ubuntu.com/security/notices/USN-7251-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7251-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7251-1
Upstream
Related
Published
2025-02-03T13:11:39.115165Z
Modified
2025-07-16T08:56:25.925305Z
Summary
harfbuzz vulnerability
Details

It was discovered that HarfBuzz incorrectly handled shaping certain fonts. A remote attacker could possibly use this issue to cause HarfBuzz to consume resources, leading to a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / harfbuzz

Package

Name
harfbuzz
Purl
pkg:deb/ubuntu/harfbuzz@2.6.4-1ubuntu4.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.6.4-1ubuntu4.3

Affected versions

2.*

2.6.1-3
2.6.2-1
2.6.4-1
2.6.4-1ubuntu1
2.6.4-1ubuntu2
2.6.4-1ubuntu3
2.6.4-1ubuntu4
2.6.4-1ubuntu4.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-harfbuzz-0.0",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-bin",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-bin-dbgsym",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-dev",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-doc",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-gobject0",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-gobject0-dbgsym",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-icu0",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz-icu0-dbgsym",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz0-udeb",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz0b",
            "binary_version": "2.6.4-1ubuntu4.3"
        },
        {
            "binary_name": "libharfbuzz0b-dbgsym",
            "binary_version": "2.6.4-1ubuntu4.3"
        }
    ]
}

Ubuntu:22.04:LTS / harfbuzz

Package

Name
harfbuzz
Purl
pkg:deb/ubuntu/harfbuzz@2.7.4-1ubuntu3.2?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.7.4-1ubuntu3.2

Affected versions

2.*

2.7.4-1ubuntu1
2.7.4-1ubuntu2
2.7.4-1ubuntu3
2.7.4-1ubuntu3.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-harfbuzz-0.0",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-bin",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-bin-dbgsym",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-dev",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-doc",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-gobject0",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-gobject0-dbgsym",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-icu0",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz-icu0-dbgsym",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz0b",
            "binary_version": "2.7.4-1ubuntu3.2"
        },
        {
            "binary_name": "libharfbuzz0b-dbgsym",
            "binary_version": "2.7.4-1ubuntu3.2"
        }
    ]
}