CVE-2020-35376 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause a denial of service via stack consumption in Xpdf when processing malformed Type 1C font charstrings.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-35376?

CVE-2020-35376 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 26 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Xpdf 4.02 allows stack consumption because of an incorrect subroutine reference in a Type 1C font charstring, related to the FoFiType1C::getOp() function.

Weakness: CWE-787

Which versions are affected by CVE-2020-35376?

It affects 2 products.

Products include Fedoraproject Fedora, Xpdfreader Xpdf.

How do I fix CVE-2020-35376?

Upgrade to a fixed version.

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-2020-35376 being exploited?

There is no known exploitation of CVE-2020-35376 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as GHSA-2jg5-5mqp-735q, UBUNTU-CVE-2020-35376.

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