USN-2861-1

It was discovered that libpng incorrectly handled certain small bit-depth values. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking the program. (CVE-2015-8472)

Qixue Xiao and Chen Yu discovered that libpng incorrectly handled certain malformed images. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2015-8540)

References

Affected packages

Ubuntu:14.04:LTS / libpng

Package

Name: libpng
Purl: pkg:deb/ubuntu/libpng@1.2.50-1ubuntu2.14.04.2?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2.50-1ubuntu2.14.04.2

Affected versions

1.*

1.2.49-4ubuntu1

1.2.49-5ubuntu1

1.2.50-1ubuntu1

1.2.50-1ubuntu2

1.2.50-1ubuntu2.14.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.2",
            "binary_name": "libpng12-0"
        },
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.2",
            "binary_name": "libpng12-dev"
        },
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.2",
            "binary_name": "libpng3"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2015-8472"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2015-8540"
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}