CVE-2011-3192
apache2 - denial of service
EPSS 90.5%
Description
The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.
How to fix CVE-2011-3192
To remediate CVE-2011-3192, upgrade the affected package to a fixed version below.
- Debian/apache2—upgrade to 2.2.19-2 or later
- Debian/apache2—upgrade to 2.2.9-10+lenny10 or later
Is CVE-2011-3192 being exploited?
Likely — EPSS is 90.5%, placing CVE-2011-3192 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 2.2.19-2
- from 0, < 2.2.9-10+lenny10