USN-2815-1

Mikulas Patocka discovered that libpng incorrectly handled certain large fields. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause libpng to crash, leading to a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-3425)

Qixue Xiao discovered that libpng incorrectly handled certain time values. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause libpng to crash, leading to a denial of service. (CVE-2015-7981)

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-2015-8126)

References

Affected packages

Ubuntu:14.04:LTS / libpng

Package

Name: libpng
Purl: pkg:deb/ubuntu/libpng@1.2.50-1ubuntu2.14.04.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2.50-1ubuntu2.14.04.1

Affected versions

1.*

1.2.49-4ubuntu1

1.2.49-5ubuntu1

1.2.50-1ubuntu1

1.2.50-1ubuntu2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.1",
            "binary_name": "libpng12-0"
        },
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.1",
            "binary_name": "libpng12-dev"
        },
        {
            "binary_version": "1.2.50-1ubuntu2.14.04.1",
            "binary_name": "libpng3"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2815-1.json"

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2015-7981",
            "severity": [
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2015-8126",
            "severity": [
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}