USN-8479-1 (UBUNTU-CVE-2026-47178)
Vulnerability from osv_ubuntu – Published: 2026-06-29 15:54 – Updated: 2026-07-29 07:27 – Source website
VLAI
Summary
libheif vulnerabilities
Details
It was discovered that libheif incorrectly handled certain crafted HEIF files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-47178)
It was discovered that libheif incorrectly validated offsets when decoding certain crafted HEIF files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-49271)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-47178",
"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": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:25.10"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "heif-gdk-pixbuf",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "heif-thumbnailer",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "heif-view",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-examples",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-aomdec",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-aomenc",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-dav1d",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-ffmpegdec",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-j2kdec",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-j2kenc",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-jpegdec",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-jpegenc",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-kvazaar",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-libde265",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-rav1e",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-svtenc",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugin-x265",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif-plugins-all",
"binary_version": "1.20.2-1ubuntu0.5"
},
{
"binary_name": "libheif1",
"binary_version": "1.20.2-1ubuntu0.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libheif",
"purl": "pkg:deb/ubuntu/libheif@1.20.2-1ubuntu0.5?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.20.2-1ubuntu0.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2026-47178",
"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": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-49271",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "heif-gdk-pixbuf",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "heif-thumbnailer",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "heif-view",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-examples",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-aomdec",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-aomenc",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-dav1d",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-ffmpegdec",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-j2kdec",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-j2kenc",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-jpegdec",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-jpegenc",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-kvazaar",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-libde265",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-rav1e",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-svtenc",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugin-x265",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif-plugins-all",
"binary_version": "1.21.2-3ubuntu0.2"
},
{
"binary_name": "libheif1",
"binary_version": "1.21.2-3ubuntu0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libheif",
"purl": "pkg:deb/ubuntu/libheif@1.21.2-3ubuntu0.2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-3ubuntu0.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
}
],
"aliases": [],
"details": "It was discovered that libheif incorrectly handled certain crafted HEIF\nfiles. An attacker could possibly use this issue to cause a denial of\nservice or execute arbitrary code. (CVE-2026-47178)\n\nIt was discovered that libheif incorrectly validated offsets when\ndecoding certain crafted HEIF files. An attacker could possibly use this\nissue to cause a denial of service. This issue only affected Ubuntu 26.04\nLTS. (CVE-2026-49271)",
"id": "USN-8479-1",
"modified": "2026-07-29T07:27:41Z",
"published": "2026-06-29T15:54:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8479-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-47178"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-49271"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libheif vulnerabilities",
"upstream": [
"UBUNTU-CVE-2026-47178",
"UBUNTU-CVE-2026-49271"
]
}
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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.
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- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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