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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

ReleasePlatformPackageExposureShipped versionFixed versionStatus
6.9.1.001Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.9.0.464Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.6.015Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.5.018Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.4.038Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.3.018Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.2.002Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.1.007Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix pending
6.8.0.205Ubuntu 22.04 LTSlibheif1Internally-facing1.12.0-2ubuntu0.1~esm11.12.0-2ubuntu0.1~esm5Fix 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:

PlatformPackageVersion
bioniclibheif1.1.0-2ubuntu0.1~esm5
Ubuntu 20.04 LTSlibheif1.6.1-1ubuntu0.1~esm5
Ubuntu 22.04 LTSlibheif1.12.0-2ubuntu0.1~esm5
Ubuntu 24.04 LTSlibheif1.17.6-1ubuntu4.9
resolutelibheif1.21.2-3ubuntu0.6