USN-8526-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-8526-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8526-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8526-1
Upstream
Related
Published
2026-07-09T19:25:53Z
Modified
2026-08-20T10:45:53Z
Summary
libheif vulnerabilities
Details

Xianrui Dong discovered that libheif had an out-of-bounds read in its HEIF sequence track parser. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-47254)

Junyi Liu discovered that libheif had a null pointer dereference in its image tiling interface. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-47709)

Calvin Young and Enoch Chow discovered that libheif had an integer overflow in its inline mask size calculation. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-47714)

Ariel Koren discovered that libheif had an integer underflow in its grid image tile coordinate transform. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-48029)

It was discovered that libheif had a missing bound check in its HEIF sequence parser, allowing unbounded heap allocation. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-50142)

References

Affected packages

Ubuntu:25.10 / libheif

Package

Name
libheif
Purl
pkg:deb/ubuntu/libheif?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.20.2-1ubuntu0.6

Affected versions

1.*
1.19.7-1
1.19.8-1
1.20.2-1
1.20.2-1ubuntu0.1
1.20.2-1ubuntu0.3
1.20.2-1ubuntu0.4
1.20.2-1ubuntu0.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "heif-gdk-pixbuf",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "heif-thumbnailer",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "heif-view",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-examples",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-aomdec",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-aomenc",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-dav1d",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-ffmpegdec",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-j2kdec",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-j2kenc",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-jpegdec",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-jpegenc",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-kvazaar",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-libde265",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-rav1e",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-svtenc",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugin-x265",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif-plugins-all",
            "binary_version": "1.20.2-1ubuntu0.6"
        },
        {
            "binary_name": "libheif1",
            "binary_version": "1.20.2-1ubuntu0.6"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-47709",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-47714",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-48029",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-50142",
            "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": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8526-1.json"

Ubuntu:26.04:LTS / libheif

Package

Name
libheif
Purl
pkg:deb/ubuntu/libheif?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.21.2-3ubuntu0.3

Affected versions

1.*
1.20.2-1
1.20.2-2
1.20.2-2build1
1.20.2-2build2
1.20.2-2ubuntu1
1.21.2-1
1.21.2-3
1.21.2-3ubuntu0.1
1.21.2-3ubuntu0.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "heif-gdk-pixbuf",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "heif-thumbnailer",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "heif-view",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-examples",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-aomdec",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-aomenc",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-dav1d",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-ffmpegdec",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-j2kdec",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-j2kenc",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-jpegdec",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-jpegenc",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-kvazaar",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-libde265",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-rav1e",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-svtenc",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugin-x265",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif-plugins-all",
            "binary_version": "1.21.2-3ubuntu0.3"
        },
        {
            "binary_name": "libheif1",
            "binary_version": "1.21.2-3ubuntu0.3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-47254",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-47709",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-47714",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-48029",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-50142",
            "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": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8526-1.json"