CVE-2007-2026 Denial of service in n/a
Attackers can cause denial of service via CPU exhaustion by submitting crafted documents with many line feeds to applications using the vulnerable GNU regex library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2007-2026?
CVE-2007-2026 is a high-severity denial of service vulnerability in n/a, published on 13 Apr 2007. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.
Which versions are affected by CVE-2007-2026?
It affects 2 products.
Products include Amavis Virus Scanner, Gentoo File.
How do I fix CVE-2007-2026?
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-2007-2026 being exploited?
There is no known exploitation of CVE-2007-2026 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2007-2026, GHSA-q6xr-rq9m-h889.