CVE-2015-2328 Denial of service in n/a

High 7.5 Published 2 Dec 2015 Updated 6 Aug 2024

Remote attackers can cause a denial of service via crafted regular expressions in the PCRE library, affecting applications using it.

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

What is CVE-2015-2328?

CVE-2015-2328 is a high-severity denial of service vulnerability in Oracle Linux, published on 2 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PCRE before 8.36 mishandles the /((?(R)a|(?1)))+/ pattern and related patterns with certain recursion, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

Weakness: CWE-19

Which versions are affected by CVE-2015-2328?

It affects 2 products.

Products include Oracle Linux, Pcre Pcre.

How do I fix CVE-2015-2328?

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-2015-2328 being exploited?

There is no known exploitation of CVE-2015-2328 in the wild and no public exploit code.

All Oracle Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-2328, GHSA-4h7h-5fv8-m6hg, UBUNTU-CVE-2015-2328.