USN-8526-2 (UBUNTU-CVE-2026-47709)
Vulnerability from osv_ubuntu – Published: 2026-07-14 16:29 – Updated: 2026-07-29 07:27 – Source website
VLAI
Summary
libheif vulnerabilities
Details
USN-8526-1 fixed vulnerabilities in libheif. This update provides the corresponding updates for CVE-2026-47709 and CVE-2026-47714 in Ubuntu 24.04 LTS.
Original advisory details:
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)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"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"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "heif-gdk-pixbuf",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "heif-thumbnailer",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-examples",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-aomdec",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-aomenc",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-dav1d",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-ffmpegdec",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-j2kdec",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-j2kenc",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-jpegdec",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-jpegenc",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-libde265",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-rav1e",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-svtenc",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif-plugin-x265",
"binary_version": "1.17.6-1ubuntu4.6"
},
{
"binary_name": "libheif1",
"binary_version": "1.17.6-1ubuntu4.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libheif",
"purl": "pkg:deb/ubuntu/libheif@1.17.6-1ubuntu4.6?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.17.6-1ubuntu4.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.16.2-2ubuntu1",
"1.17.1-1ubuntu2",
"1.17.1-1ubuntu3",
"1.17.4-1ubuntu1",
"1.17.6-1ubuntu1",
"1.17.6-1ubuntu2",
"1.17.6-1ubuntu3",
"1.17.6-1ubuntu4",
"1.17.6-1ubuntu4.1",
"1.17.6-1ubuntu4.2",
"1.17.6-1ubuntu4.3",
"1.17.6-1ubuntu4.4",
"1.17.6-1ubuntu4.5"
]
}
],
"aliases": [],
"details": "USN-8526-1 fixed vulnerabilities in libheif. This update provides the\ncorresponding updates for CVE-2026-47709 and CVE-2026-47714 in\nUbuntu 24.04 LTS.\n\nOriginal advisory details:\n\n Junyi Liu discovered that libheif had a null pointer dereference in its\n image tiling interface. An attacker could possibly use this issue to\n cause a denial of service. (CVE-2026-47709)\n\n Calvin Young and Enoch Chow discovered that libheif had an integer\n overflow in its inline mask size calculation. An attacker could\n possibly use this issue to cause a denial of service or obtain sensitive\n information. (CVE-2026-47714)",
"id": "USN-8526-2",
"modified": "2026-07-29T07:27:45Z",
"published": "2026-07-14T16:29:55Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8526-2"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-47709"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-47714"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libheif vulnerabilities",
"upstream": [
"UBUNTU-CVE-2026-47709",
"UBUNTU-CVE-2026-47714"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- 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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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