CVE-2019-6462 Denial of service in n/a

Medium 6.5 Published Updated

An infinite loop in the Cairo graphics library allows attackers to cause a denial of service via crafted input.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2019-6462?

CVE-2019-6462 is a medium-severity denial of service vulnerability in n/a, published on 16 Jan 2019. 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

An issue was discovered in cairo 1.16.0. There is an infinite loop in the function _arc_error_normalized in the file cairo-arc.c, related to _arc_max_angle_for_tolerance_normalized.

Weakness: CWE-835

Which versions are affected by CVE-2019-6462?

It affects 1 product.

Linux distribution packages (13)
cairo SUSE:Linux Enterprise Micro 5.2All versions1.16.0-150200.5.5.1
cairo SUSE:Linux Enterprise Micro 5.3All versions1.16.0-150400.11.3.1
cairo SUSE:Linux Enterprise Micro 5.4All versions1.16.0-150400.11.3.1
cairo SUSE:Linux Enterprise Micro 5.5All versions1.16.0-150400.11.3.1
cairo SUSE:Linux Enterprise Micro 5.5All versions1.16.0-150400.11.3.1
cairo SUSE:Linux Enterprise Module for Basesystem 15 SP5All versions1.16.0-150400.11.3.1
cairo SUSE:Linux Enterprise Module for Desktop Applications 15 SP5All versions1.16.0-150400.11.3.1
cairo SUSE:Linux Enterprise Server 12 SP5All versions1.15.2-25.6.2
cairo SUSE:Linux Enterprise Server for SAP Applications 12 SP5All versions1.15.2-25.6.2
cairo SUSE:Linux Enterprise Software Development Kit 12 SP5All versions1.15.2-25.6.2
cairo openSUSE:Leap 15.5All versions1.16.0-150400.11.3.1
cairo openSUSE:Leap Micro 5.3All versions1.16.0-150400.11.3.1
cairo openSUSE:Leap Micro 5.4All versions1.16.0-150400.11.3.1

Products include Cairographics Cairo.

How do I fix CVE-2019-6462?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-6462 being exploited?

There is no known exploitation of CVE-2019-6462 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2019-6462, DEBIAN-CVE-2019-6462, ECHO-cf8c-c1d6-f73d, GHSA-7m29-23h6-ccwp, JLSEC-2025-16, MGASA-2021-0497 and 6 more.

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