CVE-2009-3627 Denial of service in n/a
Attackers can cause a denial of service via infinite loop in HTML-Parser by sending incomplete SGML numeric character references.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-3627?
CVE-2009-3627 is a medium-severity denial of service vulnerability in n/a, published on 29 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric character reference, which triggers generation of an invalid UTF-8 character.
Weakness: CWE-20
Which versions are affected by CVE-2009-3627?
It affects 1 product.
Linux distribution packages (1)
perl-HTML-Parser openSUSE:Tumbleweed | All versions | 3.72-1.7 |
Products include Derrick Oswald Html-Parser.
How do I fix CVE-2009-3627?
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-2009-3627 being exploited?
There is no known exploitation of CVE-2009-3627 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2009-3627, DSA-1923-1, GHSA-r983-27x9-gfq4, openSUSE-SU-2024:10369-1.