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QSN-8846-1: libheif vulnerabilities
September 29, 2026
Summary
Several security issues were fixed in libheif.
Details
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain compressed metadata. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-84384)
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain HEIF sequence data. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-84446)
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain image references. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-84447)
It was discovered that libheif incorrectly handled certain region masks. A local attacker could possibly use this issue to obtain sensitive information or cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-84448)
It was discovered that libheif incorrectly handled certain images. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-84449)
Affected QuantaStor releases
| Release | Platform | Package | Exposure | Shipped version | Fixed version | Status |
|---|---|---|---|---|---|---|
| 6.9.1.001 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.9.0.464 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.6.015 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.5.018 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.4.038 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.3.018 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.2.002 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.1.007 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
| 6.8.0.205 | Ubuntu 22.04 LTS | libheif1 | Internally-facing | 1.12.0-2ubuntu0.1~esm1 | 1.12.0-2ubuntu0.1~esm5 | Fix pending |
Internally-facing: only accessible when logged into the QuantaStor console/ssh as the qadmin administrative sudo user; generally lower priority. Externally-facing: part of a service the storage platform presents on the network (or the kernel), so potentially reachable over the network.
CVEs
CVE-2026-84384, CVE-2026-84449, CVE-2026-84448, CVE-2026-84446, CVE-2026-84447
References
https://ubuntu.com/security/notices/USN-8846-1
https://nvd.nist.gov/vuln/detail/CVE-2026-84384
https://nvd.nist.gov/vuln/detail/CVE-2026-84449
https://nvd.nist.gov/vuln/detail/CVE-2026-84448
https://nvd.nist.gov/vuln/detail/CVE-2026-84446
https://nvd.nist.gov/vuln/detail/CVE-2026-84447
Update
Fixes marked Fixed by QuantaStor security update are applied by upgrading QuantaStor with security patches included (Upgrade Manager). Fixed package versions:
| Platform | Package | Version |
|---|---|---|
| bionic | libheif | 1.1.0-2ubuntu0.1~esm5 |
| Ubuntu 20.04 LTS | libheif | 1.6.1-1ubuntu0.1~esm5 |
| Ubuntu 22.04 LTS | libheif | 1.12.0-2ubuntu0.1~esm5 |
| Ubuntu 24.04 LTS | libheif | 1.17.6-1ubuntu4.9 |
| resolute | libheif | 1.21.2-3ubuntu0.6 |
