CVE-2005-4872 Memory corruption in n/a
A buffer overflow in the PCRE library allows attackers to cause a denial of service via crafted regular expressions with many named subpatterns.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2005-4872?
CVE-2005-4872 is a medium-severity memory corruption vulnerability in n/a, published on 14 Nov 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Perl-Compatible Regular Expression (PCRE) library before 6.2 does not properly count the number of named capturing subpatterns, which allows context-dependent attackers to cause a denial of service (crash) via a regular expression with a large number of named subpatterns, which triggers a buffer overflow. NOTE: this issue was originally subsumed by CVE-2006-7224, but that CVE has been REJECTED and split.
Weakness: CWE-119
Which versions are affected by CVE-2005-4872?
It affects 1 product.
Products include Pcre Pcre.
How do I fix CVE-2005-4872?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2005-4872 being exploited?
There is no known exploitation of CVE-2005-4872 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2005-4872, GHSA-m5xf-8w89-qqxm.