CVE-2017-8399 Memory corruption in n/a

Critical 9.8 Published 1 May 2017 Updated 5 Aug 2024

A stack-based buffer overflow in PCRE2 allows attackers to execute arbitrary code or cause denial of service via crafted regex patterns.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-8399?

CVE-2017-8399 is a critical memory corruption vulnerability in n/a, published on 1 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures."

Weakness: CWE-119

Which versions are affected by CVE-2017-8399?

It affects 1 product.

Products include Pcre Pcre2.

How do I fix CVE-2017-8399?

No fix has been published for CVE-2017-8399 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-8399 being exploited?

There is no known exploitation of CVE-2017-8399 in the wild and no public exploit code.

Sources

Also known as GHSA-wrv9-5822-445x.