libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::set_alpha_channel in heif_context.h because heif_context.cc mishandles references to non-existing alpha images.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::set_alpha_channel in heif_context.h
    because heif_context.cc mishandles references to non-existing alpha images. (CVE-2019-11471)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6847-1 advisory.

    It was discovered that libheif incorrectly handled certain image data. An attacker could possibly use this     issue to crash the program, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS.
    (CVE-2019-11471)

    Reza Mirzazade Farkhani discovered that libheif incorrectly handled certain image data. An attacker could     possibly use this issue to crash the program, resulting in a denial of service. This issue only affected     Ubuntu 20.04 LTS. (CVE-2020-23109)

    Eugene Lim discovered that libheif incorrectly handled certain image data. An attacker could possibly use     this issue to crash the program, resulting in a denial of service. This issue only affected Ubuntu 18.04     LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-0996)

    Min Jang discovered that libheif incorrectly handled certain image data. An attacker could possibly use     this issue to crash the program, resulting in a denial of service. This issue only affected Ubuntu 20.04     LTS and Ubuntu 22.04 LTS. (CVE-2023-29659)

    Yuchuan Meng discovered that libheif incorrectly handled certain image data. An attacker could possibly     use this issue to crash the program, resulting in a denial of service. This issue only affected Ubuntu     23.10. (CVE-2023-49460, CVE-2023-49462, CVE-2023-49463, CVE-2023-49464)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
426343	Alpine: heif-thumbnailer, multiple libheif packages: security update to 1.5.0-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	high
426343	Alpine: heif-thumbnailer, multiple libheif packages: security update to 1.5.0-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	high
201014	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : libheif vulnerabilities (USN-6847-1)	Nessus	Ubuntu Local Security Checks	high
400502	Alpine: heif-thumbnailer, multiple libheif packages: security update to 1.4.0-r0 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	high
400502	Alpine: heif-thumbnailer, multiple libheif packages: security update to 1.4.0-r0 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	high

Detections

Analytics

CVE-2019-11471

high

Tenable Plugins

high

high

high

high

high