Medium 6.5Published Jul 9, 2018

CVE-2018-13785In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG fil…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length 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.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-190, CWE-369
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libpng libpng libpng:libpng	1.6.34	NVD
canonical ubuntu_linux canonical:ubuntu_linux	14.04; 16.04; 17.10; 18.04	NVD
oracle jdk oracle:jdk	1.6.0; 1.7.0; 1.8.0; 11.0.0	NVD
oracle jre oracle:jre	1.6.0; 1.7.0; 1.8.0; 11.0.0	NVD
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop	6.0; 7.0	NVD
redhat enterprise_linux_server redhat:enterprise_linux_server	6.0; 7.0	NVD
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation	6.0; 7.0	NVD

References

References

http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html	patch, vendor-advisory
http://www.securityfocus.com/bid/105599	broken-link, third-party-advisory, vdb-entry
http://www.securitytracker.com/id/1041889	broken-link, third-party-advisory, vdb-entry
https://access.redhat.com/errata/RHSA-2018:3000	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:3001	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:3002	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:3003	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:3007	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:3008	third-party-advisory
https://access.redhat.com/errata/RHSA-2018:3533	third-party-advisory
1–10 of 20

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.