CVE-2018-13785 Integer overflow in n/a

What is CVE-2018-13785?

CVE-2018-13785 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 9 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

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.

Weakness: CWE-369, CWE-190

Which versions are affected by CVE-2018-13785?

It affects 7 products.

Products include Canonical Ubuntu Linux, Libpng Libpng, Oracle Jdk, Oracle Jre, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server and 1 more.

How do I fix CVE-2018-13785?

Apply the vendor's patch.

Is CVE-2018-13785 being exploited?

There is no known exploitation of CVE-2018-13785 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CLEANSTART-2026-UO85012, DEBIAN-CVE-2018-13785, GHSA-fj59-ccrm-8h5w, MGASA-2018-0468, UBUNTU-CVE-2018-13785.