CVE-2015-8390 Denial of service in n/a
Remote attackers can cause denial of service via crafted regular expressions due to uninitialized memory reads in the PCRE library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8390?
CVE-2015-8390 is a critical denial of service vulnerability in Fedoraproject Fedora, 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 8.38 mishandles the [: and \\ substrings in character classes, which allows remote attackers to cause a denial of service (uninitialized memory read) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Weakness: CWE-908
Which versions are affected by CVE-2015-8390?
It affects 3 products.
Products include Fedoraproject Fedora, Pcre Perl Compatible Regular Expression Library, Php Php.
How do I fix CVE-2015-8390?
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-2015-8390 being exploited?
There is no known exploitation of CVE-2015-8390 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2015-8390, GHSA-6788-8v9x-34c3, UBUNTU-CVE-2015-8390.