MEDIUM
CVE-2018-13785
CWE-190Published: July 9, 2018· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2018-13785 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
ADVISORYhttps://usn.ubuntu.com/3712-1/
ADVISORYhttps://usn.ubuntu.com/3712-1/
All References (40)
→
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch · Vendor Advisory
→
http://www.securityfocus.com/bid/105599Broken Link · Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1041889Broken Link · Third Party Advisory · VDB Entry
→
https://access.redhat.com/errata/RHSA-2018:3000Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3001Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3002Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3003Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3007Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3008Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3533Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3534Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3671Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3672Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3779Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2018:3852Third Party Advisory
Quick Facts
CVE IDCVE-2018-13785
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-190
CISA KEVNo
Affected4 vendor(s)
PublishedJul 9, 2018
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-13785 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.