UBUNTU-CVE-2018-13785

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Source
https://ubuntu.com/security/CVE-2018-13785
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-13785.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-13785
Upstream
Downstream
Related
Published
2018-07-09T00:00:00Z
Modified
2025-09-08T16:44:57Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In libpng 1.6.34, a wrong calculation of rowfactor in the pngcheckchunklength function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

References

Affected packages

Ubuntu:18.04:LTS / libpng1.6

Package

Name
libpng1.6
Purl
pkg:deb/ubuntu/libpng1.6@1.6.34-1ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.34-1ubuntu0.18.04.1

Affected versions

1.*

1.6.34-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.6.34-1ubuntu0.18.04.1",
            "binary_name": "libpng-dev"
        },
        {
            "binary_version": "1.6.34-1ubuntu0.18.04.1",
            "binary_name": "libpng-tools"
        },
        {
            "binary_version": "1.6.34-1ubuntu0.18.04.1",
            "binary_name": "libpng16-16"
        }
    ]
}